using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Add(2,3));

        Console.WriteLine(subtract(2,3));

        Console.WriteLine(multiply(2,3));

        Console.WriteLine(divide(2,3));

    }

​

    public static int Add(int a, int b)

    {

        return a + b;

    }

    public static int multiply (int a, int b)

    {

        return a * b;

    }

    public static int subtract(int a, int b)

    {

        return a - b;

    }

    public static int divide (int a, int b)

    {

        return a / b;

    }

}