using System;

​

class Person {

    public int task(int a , int b){

        int sum = a + b;

        return sum;

    }

​

    public string task(string name ,string surename){

        name= name+" ";

        string n =string.Concat(name,surename);

        return n;

    }

    static void Main(string[] args){

        Person p = new Person();

        string n =p.task("Bhavin","Nandaniya");

        int sum = p.task(20,30);

        Console.WriteLine("The Sum is " + sum);

        Console.WriteLine(n);

            }

        }

​

​

​

​