def collatz(number):
    if number % 2 == 0:
        return number // 2
    else:
        return 3 * number + 1

print('The Collatz Sequence always ends with 1. Want to bet?')
print('Please input number. Any number will do.')
number = int(input())

print(collatz(number))

while collatz(number) != 1:
    number = collatz(number)
    print(collatz(number))

print('Finish')