using System;

public class Program

{

    public static void Main()

    {

        // Richard Gantt Bauer, Andrew La, Logan Smith

        // 9/19/2022

        Pair pair1 = new Pair();

        pair1.Num1 = 3.0;

        pair1.Num2 = 4.0;

        Console.WriteLine(pair1.ToString());

        Pair pair2 = new Pair();

        pair2.Num1 = 2.0;

        pair2.Num2 = 6.0;

        Console.WriteLine(pair2.ToString());

        Pair pair3 = new Pair();

        pair3.Num1 = -1.0;

        pair3.Num2 = -3.0;

        Console.WriteLine(pair3.ToString());

        Console.WriteLine("Add on Pair1 is: " + pair1.Add());

        Console.WriteLine("Add on Pair2 is: " + pair2.Add());

        Console.WriteLine("Add on Pair3 is: " + pair3.Add());

        Console.WriteLine("Multiply on Pair1 is: " + pair1.Multiply());

        Console.WriteLine("Multiply on Pair2 is: " + pair2.Multiply());

        Console.WriteLine("Multiply on Pair3 is: " + pair3.Multiply());

        Console.WriteLine("Subtract on Pair1 is: " + pair1.Subtract());

        Console.WriteLine("Subtract on Pair2 is: " + pair2.Subtract());

        Console.WriteLine("Subtract on Pair3 is: " + pair3.Subtract());

        Console.WriteLine("Divide on Pair1 is: " + pair1.Divide());

        Console.WriteLine("Divide on Pair2 is: " + pair2.Divide());

        Console.WriteLine("Divide on Pair3 is: " + pair3.Divide());

    }

}

public class Pair

{

    public double Num1 { get; set; }

    public double Num2 { get; set; }

    public Pair()

    {

        Num1 = 0;

        Num2 = 0;

    }

    public override string ToString()

    {

        return "Num 1 is: " + Num1

            + "\nNum 2 is: " + Num2

            ;       

    }

    public double Add()

    {

        return Num1 + Num2;

    }

    public double Multiply()

    {

        return Num1 * Num2;

    }

    public double Subtract()

    {

        return Num1 - Num2;

    }

    public double Divide()

    {

        return Num1 / Num2;

    }

}