#!/usr/bin/python
# -*- coding: utf-8 -*-

if __name__ == '__main__':
    cn = lambda n: 3*n + 1 if n % 2 == 1 else n // 2
    (x, n, m, p) = (1, 1, 1, 0)
    while True:
        if m == 1 or cn(m) == 1:
            print("{} → 1 in {} steps".format(x, 2*p if m == 1 else 2*p+1))
            (x, n, m, p) = (x+1, x+1, x+1, 0)
        else:
            (n, m, p) = (cn(n), cn(cn(m)), p+1)
            if n == m:
                print("{} loops without reaching 1".format(x))
                exit()