addition value return

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace return_value
{
    class Program
    {
        static int add(int i, int j)
        {
            return i + j;
        }
        static void Main(string[] args)
        {
            int result = add(2, 3);
            Console.WriteLine("addition:" + result);
            Console.ReadLine();
 
        }
    }
}