#1
x = int(input())
while x % 2 != 0:
    x = int(input())
answer: x % 2 != 0

#2
for i in range (10):
    print(i)
answer: i 10

#3
k = int(input())
n = int(input())
m = 0
while m < n:
    for i in range (k, n+1):
        if i % 2 == 0:
            continue
        else:
            m += i
print(m)
answer: 768182441

#4
n = int(input())
x = 1
for i in range (1, n+1):
    x *= i
print(x)
answer: 3628800