using System;

class CSequence

    {

        public void Collatz(int n)

        {

            while (n != 1)

            {

                Console.Write(n + " ");

​

                if ((n & 1) == 1)

                    n = 3 * n + 1;

​

                else

                    n = n / 2;

            }

​

            Console.Write(n);

        }

    }

    class Number : CSequence

    {

        public int num = 4;

    }

    class Programs

    {

        static void Main(string[] args)

        {

            Number output = new Number();

​

            output.Collatz(output.num);

        }

    }