using System;

public class Program

{

    public static void Main()

    { int  a,b,t;

        Console.WriteLine("ENTER VALUES");

a=Convert.ToInt16(Console.ReadLine());

     b=Convert.ToInt16(Console.ReadLine());

t=a;

                      a=b;

                      b=t;

                      Console.WriteLine("{0},{1}",a,b);

    }

}