f = int(input("Enter a number: "))
fac=1;
# for i in range(f,1,-1):
#     fac=fac*i

while(f>0):
    fac=fac*f
    f-=1


print(fac)
33f66c43bb2e3132a9ca31432594402542cad140
<mask token>

<mask token>
while f > 0:
    fac = fac * f
    f -= 1
print(fac)

f = int(input('Enter a number: '))
fac = 1
while f > 0:
    fac = fac * f
    f -= 1
print(fac)

f = int(input("Enter a number: "))
fac=1;
# for i in range(f,1,-1):
#     fac=fac*i

while(f>0):
    fac=fac*f
    f-=1


print(fac)