using System;

public class Program

{

    public static void Main()

    {

        metots metot1=new metots();

        int resul=metot1.som(5,8);

        Console.WriteLine(resul);

    }

    class metots

    {

        public int som(int s1,int s2)

        {

          return(s1+s2);

        }

    }

}