using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter a number");

        int n = Convert.ToInt32(Console.ReadLine());

        int n2 = 0;

        if (n % 2 == 0) {

            n2 = n / 2;

            Console.WriteLine(n2);

        }

        else {

            n2 = 3 * n + 1;

            Console.WriteLine(n2);

        }

        while (n2 != 1) {

            if (n2 % 2 == 0) {

                n2 = n2 / 2;

                Console.WriteLine(n2);

            }

            else {

                n2 = 3 * n2 + 1;

                Console.WriteLine(n2);

            }

        }

    }

}