ارسال شماره 741
def fact(x):
j = 1
for i in range(1, x + 1):
j *= i
return j
x = int(input())
print(fact(x))
def fact(x):
j = 1
for i in range(1, x + 1):
j *= i
return j
x = int(input())
print(fact(x))