using System;

// Create a class calculator. Inside class calculator, create a method Sum. 

//The Sum method takes two integer parameters and returns an integer.

//Call both the methods in Main method to print the result.             

public class Calculator

{

    public int add(int num1 ,int num2)

    {

       int sum = num1 + num2;

        return sum;

    }

}

public class Program

{

    public static void Main()

    {

        Calculator calc = new Calculator();

        Console.WriteLine(calc.add(12,10));

    }

}