using System;

public class Cal{  

        public static int add(int a,int b){  

            return a + b;  

        }  

        public static int add(int a, int b, int c)  

        {  

            return a + b + c;  

        }  

    }  

    public class TestMemberOverloading  

    {  

        public static void Main()  

        {  

            Console.WriteLine(Cal.add(12, 23));  

            Console.WriteLine(Cal.add(12, 23, 25));  

        }  

    }