using System;

class collatz{

    public static void printLothar(int A)

    {   while(A != 1)

        {   Console.WriteLine(A + " ");

            if ((A & 1) == 1)

                A = 3*A+1;

            else    A = A/2;    }

     Console.WriteLine(A + "The collatz line for A is: ");  }

    public static void Main()

    {   printLothar(6); }

}