题目解析

s = input()
print(s)

import turtle as t
for i in range(4):
    t.fd(100)
    t.right(90)
t.done()

import turtle as t
n, sidelen = eval(input())
for i in range(n):
    t.fd(sidelen)
    t.right(360 / n)
t.done()

import turtle as t
t.pensize(3)
for i in range(6):
    t.fd(100)
    t.left(60)
t.pu()
t.seth(60)
t.fd(20)
t.seth(0)
for i in range(6):
    if i % 2 == 0:
        t.pd()
    else:
        t.pu()
    t.fd(80)
    t.left(60)
t.done()

import turtle as t
import random
t.setup(800, 600)
t.bgcolor('black')
t.colormode(255)
t.speed(0)
t.pensize(3)
t.hideturtle()
for i in range(30):
    t.pu()
    t.goto(random.randint(-300, 250), random.randint(-220, 220))
    t.pencolor(*(random.randint(0, 255) for _ in range(3)))
    n = random.randint(3, 10)
    length = random.randint(20, 70)
    t.pd()
    for j in range(n):
        t.fd(length)
        t.left(360 / n)
t.done()

import turtle as t
t.setup(800, 600, 200, 200)
t.pensize(5)
t.penup()
for i in range(4):
    t.fd(50)
    t.pendown()
    t.fd(100)
    t.penup()
    t.fd(50)
    t.left(90)
t.done()

import turtle as t
t.pensize(5)
for color in ('red', 'green', 'blue'):
    t.pencolor(color)
    t.circle(80)
    t.left(120)
t.done()

import turtle as t
t.fillcolor('red')
t.begin_fill()
for i in range(5):
    t.fd(200)
    t.right(144)
t.end_fill()
t.done()

import turtle as t
t.color('red', 'yellow')
t.begin_fill()
while True:
    t.fd(200)
    t.left(170)
    if abs(t.pos()) < 1:
        break
t.end_fill()
t.done()

import turtle as t
import random

def drawbenring(pos, angle, clr, sidelen):
    t.pu()
    t.goto(pos)
    t.pencolor(clr)
    t.seth(angle)
    t.pd()
    for i in range(6):
        t.fd(sidelen)
        t.left(60)
    t.pu()
    t.seth(angle + 60)
    t.fd(20)
    t.seth(angle)
    for i in range(6):
        if i % 2 == 0:
            t.pd()
        else:
            t.pu()
        t.fd(sidelen - 20)
        t.left(60)

t.speed(0)
for clr in ('red', 'orange', 'yellow', 'green', 'cyan', 'blue', 'purple'):
    pos = (random.randint(-250, 250), random.randint(-200, 200))
    drawbenring(pos, 0, clr, random.randint(40, 100))
t.done()

a1, a2, n = map(int, input().split())
ans = a1 + (n - 1) * (a2 - a1)
print(ans)

x, n = map(int, input().split())
ans = x * (1 + 0.001) ** n
print(f'{ans:.4f}')

r = float(input())
ans = 4 / 3 * 3.14 * r ** 3
print(f'{ans:.2f}')

x, a, b, c, d = map(float, input().split())
res = a * x ** 3 + b * x ** 2 + c * x + d
print(f'{res:.7f}')

import math 
h, r = map(int, input().split())
v = h * 3.14159 * r ** 2
print(math.ceil(20 * 1000 / v))

a, b, c, d, e = eval(input())
mean = (a + b + c + d + e) / 5
dev = (((a - mean) ** 2 + (b - mean) ** 2
        + (c - mean) ** 2 + (d - mean) ** 2
        + (e - mean) ** 2) / 4) ** 0.5
print('最大值为：', max(a, b, c, d, e))
print('最小值为：', min(a, b, c, d, e))
print('平均值为：', mean)
print('标准差为：', dev)

values = eval(input())
mean = sum(values) / len(values)
dev = (sum((x - mean) ** 2 for x in values) / (len(values) - 1)) ** 0.5
print('最大值为：', max(values))
print('最小值为：', min(values))
print('平均值为：', mean)
print('标准差为：', dev)

t = float(input())
s1 = input()
s2 = input()
cnt = 0
for i in range(len(s1)):
    if s1[i] == s2[i]:
        cnt += 1
if cnt / len(s1) >= t:
    print('yes')
else:
    print('no')

s = input()
if s == s[::-1]:
   print('yes')
else:
   print('no')

c, n = input().split()
n = int(n)
for i in range(1, n + 1):
   print(' ' * (n - i) + c * (2 * i - 1))

c = input()
print('  ' + c)
print(' ' + 3 * c)
print(5 * c)
print(' ' + 3 * c)
print('  ' + c)

shape = input()
n = int(input())
if shape == 'Z':
   for i in range(n):
       print('*' * n)
else:
   for i in range(1, n + 1):
       print(' ' * (n - i) + '*' * (2 * i - 1))
   for i in range(1, n):
       print(' ' * i + '*' * (2 * n - 1 - 2 * i))

h, w, c, flag = input().split()
h, w, flag = map(int, (h, w, flag))
print(w * c)
for i in range(h - 2):
    if flag == 0:
        print(c + (w - 2) * ' ' + c)
    else:
        print(w * c)
print(w * c)

s = input()
ans = 0
for c in s:
   if '0' <= c <= '9':
       ans += 1
print(ans)

n = int(input())
s = input()
res = ''
for c in s:
   a = chr((ord(c) + n - ord('a')) % 26 + ord('a'))
   res += a
print(res)

s = input()
ans = ''
for c in s:
   if 'A' <= c <= 'Z':
       ans += chr((ord(c) - ord('A') - 5) % 26 + ord('A'))
   else:
       ans += c
print(ans)

s = input()
ans = ''
for i in range(len(s) - 1):
   ans += chr(ord(s[i]) + ord(s[i + 1]))
ans += chr(ord(s[-1]) + ord(s[0]))
print(ans)

n = int(input())
for i in range(n):
   s = input()
   ans = s[0].upper() + s[1:].lower()
   print(ans)

# 解法1：
s = input()
ans = ''
for c in s:
   if 'A' <= c <= 'Z':
       ans += chr(ord(c) + 32)
   elif 'a' <= c <= 'z':
       ans += chr(ord(c) - 32)
   else:
       ans += c
print(ans)

n,  c = input().split()
n = int(n)
s = input()
print(s.center(n*2+len(s), c))

words = input().split()
ans = ''
for word in words:
   ans += str(len(word)) + ','
print(ans[:-1])

s1 = input()
s2 = input()
s1 = s1.replace(' ', '').upper()
s2 = s2.replace(' ', '').upper()
if s1 == s2:
   print('YES')
else:
    print('NO')

m, n = map(int, input().split())
ans = n / m
print(f'{ans:.3%}')

r = float(input())
pi = 3.14159
diameter = 2 * r
perimeter = 2 * pi * r
area = pi * r * r
print(f'{diameter:.4f} {perimeter:.4f} {area:.4f}')

s = input()
ans = ''
for c in s:
    if c.isupper():
        c = chr((ord(c) - ord('A') + 3) % 26 + ord('A'))
    elif c.islower():
        c = chr((ord(c) - ord('a') + 3) % 26 + ord('a'))
    ans += c
print(ans[::-1].swapcase())

n = int(input())
for i in range(n):
    s = input()
    if s.startswith('dis'):
        s = s[3:]
    if s.endswith('ing'):
        s = s[:-3]
    print(s)

n = int(input())
for i in range(n):
    parts = input().split()
    s = parts[0].zfill(4) + '-' + parts[1].zfill(2) + '-' + parts[2].zfill(2)
    print(s)

s = input()
print(' '.join(s.split()))

m, n = map(int, input().split())
ans = 0
for i in range(m, n + 1):
   if i % 17 == 0:
       ans += i
print(ans)

n = int(input())
cnt = 0
for i in range(n):
   name, temp, cough = input().split()
   if float(temp)>=37.5 and float(cough)==1:
       cnt+=1
       print(name)
print(cnt)

n = int(input())
if n % 400 == 0:
   print('Y')
elif n % 100 == 0:
   print('N')
elif n % 4 == 0:
   print('Y')
else:
   print('N')

n = int(input())
ages = list(map(int, input().split()))
a = b = c = d = 0  # 分别表示四个年龄段的人数
for age in ages:
   if age <= 18:
       a += 1
   elif age <= 35:
       b += 1
   elif age <= 60:
       c += 1
   else:
       d += 1
for count in (a, b, c, d):
    print(f'{count / n:.2%}')

a = input()
if a.endswith('er') or a.endswith('ly'):
   print(a[:-2])
elif a.endswith('ing'):
   print(a[:-3])
else:
   print(a)

n = int(input())
scores = list(map(int, input().split()))
print(max(scores))

for i in range(1, 10):
    for j in range(1, i + 1):
        print(f'{j}*{i}={i * j:2}', end=' ')
    print()

n = int(input())
flag = False
for cock in range(n // 5 + 1):
    for hen in range(n // 3 + 1):
        chick = n - cock - hen
        if (chick >= 0 and chick % 3 == 0
                and 5 * cock + 3 * hen + chick // 3 == n):
            flag = True
            print(cock, hen, chick)
if not flag:
    print('No Answer.')

n = int(input())
cnt = 0
for x in range(n // 7 + 1):
    if (n - 7 * x) % 4 == 0 and (n + x) % 4 == 0:
        cnt += 1
print(cnt if cnt else 'No Answer.')

n = int(input())
x0 = (-n) % 4
upper = n // 7
cnt = 0 if x0 > upper else (upper - x0) // 4 + 1
print(cnt if cnt else 'No Answer.')

n = int(input())
s = ''
while n:
    s = str(n % 2) + s
    n //= 2
print(s)

k = int(input())
n = sn = 0
while sn <= k:
    n += 1
    sn += 1 / n
print(n)

high, up, down = map(int, input().split())
days = dis = 0
while True:
    days += 1
    dis += up
    if dis >= high:
        break
    dis -= down
print(days)

money, k = map(int, input().split())
days = 0
while money > 0:
    days += 1
    money -= 1
    if days % k == 0:
        money += 1
print(days)

n = int(input())
cnt = 0
for i in range(n):
    plate = input().strip()
    if plate[0] not in 'ABCDEFGRST':
        cnt += 1
print(cnt)

n = int(input())
flag = True
for i in range(2, int(n ** 0.5) + 1):
    if n % i == 0:
        flag = False
        break
print('yes' if flag else 'no')

n = int(input())
cnt = 0
for i in range(11, n + 1):
    for j in range(2, i):
        if i % j == 0:
            break
    else:
        s = str(i)
        if s == s[::-1]:
            cnt += 1
print(cnt)

n = int(input())
p = 1
for i in range(n - 1, 0, -1):
    p = 2 * (p + 1)
print(p)

stock = int(input())
n = int(input())
requests = list(map(int, input().split()))
refused = 0
for quantity in requests:
    if quantity > stock:
        refused += 1
    else:
        stock -= quantity
print(refused)

N, M = map(int, input().split())
squares = rectangles = 0
for size in range(1, min(N, M) + 1):
    squares += (N - size + 1) * (M - size + 1)
for width in range(1, M + 1):
    for height in range(1, N + 1):
        if width != height:
            rectangles += (M - width + 1) * (N - height + 1)
print(squares, rectangles)

n = int(input())
costs = []
for i in range(3):
    quantity, price = map(int, input().split())
    units_needed = (n + quantity - 1) // quantity
    costs.append(units_needed * price)
print(min(costs))

k = int(input())
total_days = total_coins = n = 0
while total_days < k:
    n += 1
    total_coins += n * n
    total_days += n
superfluous_days = total_days - k
if superfluous_days != 0:
    total_coins -= n * superfluous_days
print(total_coins)

n, k = map(int, input().split())
num = 0
while n > 0:
    if n < k:
        num += n
        break
    num += k
    n = n - k + 1
print(num)

import random
target = random.randint(1, 100)
count = 0
while True:
    guess = int(input())
    count += 1
    if guess > target:
        print('猜大了')
    elif guess < target:
        print('猜小了')
    else:
        print('猜对了')
        break
print('此轮的猜测次数是:', count)

a = eval(input())
b = eval(input())
c = eval(input())
cosinesimilarity = c / (a * b) ** 0.5
print(cosinesimilarity)

fpa = input()
fpb = input()
a = b = c = 0
for i in range(len(fpa)):
    if fpa[i] == '1':
        a += 1
    if fpb[i] == '1':
        b += 1
    if fpa[i] == '1' and fpb[i] == '1':
        c += 1
print(c / (a * b) ** 0.5)

def similarity(fpa, fpb):
    a = fpa.count('1')
    b = fpb.count('1')
    c = 0
    for i in range(len(fpa)):
        if fpa[i] == fpb[i] == '1':
            c += 1
    return c / (a * b) ** 0.5

fpa = input()
maxcosine = -1
ans = None
with open('compounds.txt', 'rt', encoding='utf-8') as fi:
    for line in fi:
        fpb = line.strip()
        cosine = similarity(fpa, fpb)
        if cosine > maxcosine:
            maxcosine = cosine
            ans = fpb
if ans is not None:
    print(ans)

from pubchempy import Compound

def cid_to_fingerprint(cid):
    c = Compound.from_cid(cid)
    finger_hex = c.fingerprint
    finger_bin = ''
    for f in finger_hex:
        finger_bin += bin(int(f, 16))[2:].zfill(4)
    return finger_bin[32:-7]

def similarity(fpa, fpb):
    a = fpa.count('1')
    b = fpb.count('1')
    c = sum(fpa[i] == fpb[i] == '1' for i in range(len(fpa)))
    return c / (a * b) ** 0.5

fpa = cid_to_fingerprint(input())
max_cosine = -1
ans = None
with open('cids.txt', 'rt', encoding='utf-8') as fi:
    for line in fi:
        cid = line.strip()
        fpb = cid_to_fingerprint(cid)
        cosine = similarity(fpa, fpb)
        if cosine > max_cosine:
            max_cosine, ans = cosine, cid
if ans is not None:
    print(ans)

solubilityTxt = (
    'SN,IdentityNo,Solubility\n'
    '01,LT-615-348,0.01971400\n'
    '02,LT-771-215,0.03072346\n'
    '03,LT-771-216,0.03174257\n'
    '04,LT-323-560,0.06074634\n'
    '05,LT-619-512,0.10491267\n'
)
sn = input()
pos = int(sn) * 25
ide = solubilityTxt[pos + 3:pos + 13]
sValue = float(solubilityTxt[pos + 14:pos + 24])
print('the compound ID is:', ide)
print('the solubility value is:', sValue)

fname = '清肺排毒汤'
formula = (
    '麻黄9g、炙甘草6g、杏仁9g、生石膏15~30g(先煎)、桂枝9g、'
    '泽泻9g、猪苓9g、白术9g、茯苓15g、柴胡16g、黄芩6g、姜半夏9g、'
    '生姜9g、紫菀9g、冬花9g、射干9g、细辛6g、山药12g、枳实6g、陈皮6g、藿香9g'
)
print(fname.center(52), '\n')
n = formula.count('、')
remain = formula
for i in range(1, n + 1):
    pos = remain.find('、')
    herb = remain[:pos]
    print(f'{herb:<13}', end='')
    if i % 4 == 0:
        print('\n')
    remain = remain[pos + 1:]
print(remain)

s = ('IdentityNo.,Solubility\n'
     'LT-615-348,0.019714\n'
     'LT-771-215,0.03072346\n')
s = s[s.find('LT'):]
print('化合物编号{:>8}'.format('水溶性值'))
while s.find('LT') != -1:
    pos = s.find('\n')
    cp = s[:pos]
    parts = cp.split(',')
    ide = parts[0]
    sol = float(parts[1])
    print('{:<10}{:>12.4f}'.format(ide, sol))
    s = s[pos + 1:]

class Medicine:
    def __init__(self, name, dosage, stock):
        self.name = name
        self.dosage = dosage
        self.stock = stock

    def dispense(self, quantity):
        if quantity <= 0:
            print('请输入有效的数量。')
        elif quantity <= self.stock:
            self.stock -= quantity
            print(f'{quantity}颗{self.name}已发放。剩余库存:{self.stock}')
        else:
            print(f'库存不足，无法发放{quantity}颗{self.name}。当前库存:{self.stock}')

    def restock(self, quantity):
        if quantity <= 0:
            print('请输入有效的数量。')
        else:
            self.stock += quantity
            print(f'已成功补充{quantity}颗{self.name}。当前库存:{self.stock}')

painkiller = Medicine('止痛药', '50mg', 100)
print(painkiller.name, painkiller.dosage, painkiller.stock)
painkiller.dispense(30)
painkiller.restock(50)
painkiller.dispense(80)

def gcd(m, n):
    while n:
        m, n = n, m % n
    return abs(m)
m = int(input())
n = int(input())
print(gcd(m, n))

def gcd(m, n):
    while n:
        m, n = n, m % n
    return abs(m)
values = list(map(int, input().split()))
result = values[0]
for value in values[1:]:
    result = gcd(result, value)
print(result)

from ast import literal_eval
m, n = literal_eval(input())
x, y = m, n
while x % y:
    x, y = y, x % y
print(f"{m}、{n}的最大公约数为：{y}，最小公倍数为：{m*n//y}")

def fib(n):
    a = b = 1
    for i in range(n - 1):
        a, b = b, a + b
    return a
n = int(input())
print(fib(n))

def fib(n):
    a = b = 1
    for i in range(n - 1):
        a, b = b, a + b
    return a
n = int(input())
ls = list(map(int, input().split()))
for k in ls:
    print(fib(k), end=" ")

def trib(n):
    a = b = c = 1
    for i in range(max(0, n - 3)):
        a, b, c = b, c, a + b + c
    return c

n = int(input())
print(trib(n))

import random
from math import sqrt
n, d = map(int, input().split())
random.seed(d)
hits = 0
for i in range(n):
    x = random.random()
    y = random.random()
    dist = sqrt(x ** 2 + y ** 2)
    if dist <= 1.0:
        hits += 1
print(f"{4 * hits / n:.4f}")

import random
from math import sin
n, d = map(int, input().split())
random.seed(d)
hits = 0
for i in range(n):
    x = 3.14 * random.random()
    y = random.random()
    if y <= sin(x):
        hits += 1
print(f"{3.14 * hits / n:.4f}")

from ast import literal_eval
while True:
    try:
        m, n = literal_eval(input())
        if m == 0 and n == 0:
            break
        if type(m) is int and type(n) is int and m > 0 and n > 0:
            x, y = m, n
            while x % y:
                x, y = y, x % y
            print(f"{m}、{n}的最大公约数为：{y}，最小公倍数为：{m*n//y}")
        else:
            print('输入值非法，请重新输入两个正整数！')
    except Exception:
        print('运行有误，请重新输入！')

import random
random.seed(100)
target = random.randint(0, 100)
for count in range(1, 7):
    value = int(input())
    if value > target:
        print('您猜的数太大了！')
    elif value < target:
        print('您猜的数太小了！')
    else:
        print(f'恭喜您，{count}次努力后猜中了！这个数字是{target}')
        break
else:
    print('很遗憾，您已用完猜数机会！')

import random
random.seed(100)
target = random.randint(0, 100)
for count in range(1, 7):
    text = input()
    try:
        number = float(text)
    except ValueError:
        print('输入有误！')
        continue
    try:
        value = int(text)
    except ValueError:
        print('输入内容必须为整数！')
        continue
    if value > target:
        print('您猜的数太大了！')
    elif value < target:
        print('您猜的数太小了！')
    else:
        print(f'恭喜您，{count}次努力后猜中了！这个数字是{target}')
        break
else:
    print('很遗憾，您已用完猜数机会！')

def isprime(n):
    if n < 2:
        return False
    for i in range(2, n):
        if n % i == 0:
            return False
    return True

n = int(input())
if isprime(n):
    print("yes")
else:
    print("no")

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True
n = int(input())
found = False
for i in range(2, n - 1):
    if isprime(i) and isprime(i + 2):
        print(i, i + 2)
        found = True
if not found:
    print('empty')

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True

def goldbach(n):
    for a in range(2, n // 2 + 1):
        if isprime(a) and isprime(n - a):
            return f"{n}={a}+{n-a}"
n = int(input())
print(goldbach(n))

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True

def goldbach(n):
    for a in range(2, n // 2 + 1):
        if isprime(a) and isprime(n - a):
            return f"{n}={a}+{n-a}"
N = int(input())
for n in range(4, N + 1, 2):
    print(goldbach(n))

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True
n = int(input())
count, num = 1, 2
while count < n:
    num += 1
    if isprime(num):
        count += 1
print(num)

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True
X, Y = map(int, input().split())
count = 0
for num in range(min(X, Y), max(X, Y) + 1):
    if isprime(num):
        count += 1
print(count)

def valid(num):
    ones = num % 10
    tens = num // 10 % 10
    hundreds = num // 100 % 10
    thousands = num // 1000
    return ones - thousands - hundreds - tens > 0

n = int(input())
values = list(map(int, input().split()))
print(sum(valid(num) for num in values))

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True
L = int(input())
total, count, num = 0, 0, 2
while True:
    if isprime(num):
        if total + num > L:
            break
        total += num
        print(num)
        count += 1
    num += 1
print(count)

def isprime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True
n = int(input())
while not isprime(n):
    n += 1
print(n)

n = int(input())
digits = str(n)
power = len(digits)
total = sum(int(ch) ** power for ch in digits)
print('YES' if total == n else 'NO')

import random
random.seed(100)
ls = []
while len(ls) < 10:
    value = random.randint(10, 100)
    if value not in ls:
        ls.append(value)
print(*ls)

n = int(input())
for i in range(n):
    s = input()
    if s.startswith('dis') and s.endswith('ing'):
        s = s[3:-3]
    elif s.startswith('dis'):
        s = s[3:]
    elif s.endswith('ing'):
        s = s[:-3]
    print(s)

sales = int(input())
if sales <= 10000:
    commission = sales * 0.05
elif sales <= 50000:
    commission = 10000 * 0.05 + (sales - 10000) * 0.10
else:
    commission = 10000 * 0.05 + 40000 * 0.10 + (sales - 50000) * 0.15
print(f"{1500 + commission:.2f}")

n = int(input())
a, b = map(int, input().split())
for i in range(n - 1):
    c, d = map(int, input().split())
    delta = 20 * (d * a - b * c)
    bound = a * c
    if delta > bound:
        print('better')
    elif delta < -bound:
        print('worse')
    else:
        print('same')

n = int(input())
current_hours = max_hours = 0
for i in range(n):
    systolic, diastolic = map(int, input().split())
    if 90 <= systolic <= 140 and 60 <= diastolic <= 90:
        current_hours += 1
        max_hours = max(max_hours, current_hours)
    else:
        current_hours = 0
print(max_hours)

N = int(input())
sumn = 0
for i in range(1, N + 1):
    sumn += i
print(sumn)

for i in range(7, 101, 7):
    if i % 3 != 0:
        print(i)

total, term = 0, 1
for i in range(1, 11):
    term *= i
    total += term
print(total)

for i in range(1, 6):
    for j in range(1, 6):
        print(i * 10 + j, end=" ")
    print()

s = input()
balance = 0
valid = True
for ch in s:
    if ch == '(':
        balance += 1
    elif ch == ')':
        balance -= 1
        if balance < 0:
            valid = False
            break
print('YES' if valid and balance == 0 else 'NO')

score = float(input())
if not 0 <= score <= 100:
    print('输入错误！需要输入一个在0-100之间的数字！')
elif score >= 90:
    print('A')
elif score >= 80:
    print('B')
elif score >= 70:
    print('C')
elif score >= 60:
    print('D')
else:
    print('E')

mode = input()
if mode == '左':
    align = '<'
elif mode == '中':
    align = '^'
else:
    align = '>'
print(f"{'python':*{align}30}")

height, weight = map(float, input().split(','))
bmi = weight / height ** 2
if bmi < 18.5:
    who, gb = '体重过低', '体重过低'
elif bmi < 24:
    who, gb = '正常范围', '正常范围'
elif bmi < 25:
    who, gb = '正常范围', '肥胖前期'
elif bmi < 28:
    who, gb = '肥胖前期', '肥胖前期'
elif bmi < 30:
    who, gb = '肥胖前期', '肥胖'
else:
    who, gb = '肥胖', '肥胖'
print(f'{bmi:.2f}')
print(who, gb)

gender = input()
value = float(input())
if gender == '男':
    low, high = 54, 106
else:
    low, high = 44, 97
if value < low:
    print('偏低')
elif value <= high:
    print('正常')
else:
    print('偏高')

value = float(input())
if value >= 5000:
    degree = '1级微毒'
elif value >= 500:
    degree = '2级低毒'
elif value >= 50:
    degree = '3级中等毒'
elif value >= 1:
    degree = '4级高毒'
else:
    degree = '5级剧毒'
print(degree)

def linearregression(x):
    return 0.8 * x + 3.25

print(f'{linearregression(2):.2f}')
print(f'{linearregression(3):.2f}')

n = int(input())
print("偶数" if n % 2 == 0 else "奇数")