def fakultaet(n):
    if n == 0:
        return 1
    else:
        return n * fakultaet(n - 1)
    
def fakultaet_loop(n):
    f = 1

    for i in range(n, 1, -1):
        f *= i
    return f
print(fakultaet(5))
print(fakultaet_loop(5))