# Factorial number :- 
user = int(input("Enter a number you want factorial of that number "))
j = 1
b = 1
while j <= user:
	a = j * b
	b = a 
	j = j + 1
print (b)



# Factorial number :- 
user = int(input("Enter a number you want factorial of that number "))
j = 1
b = 1
while j <= user:
	a = j * b
	b = a 
	j = j + 1
print (b)



# Factorial number :-