using System;

public class Program

{

    public static void Main()

    {

        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());

​

    }   // end main

    public class Pair

            // Names: Douglas Walker and Brianna McGee

            //Created: 9/18/2019

    {   

            public double num1 {get;set;}

            public double num2 {get;set;}

            public Pair()

            {

              num1 = 0;

              num2 = 0;

            }  // end costruct pair

           public override string ToString()

            {

                return "Num1 is: " + num1  // fix this

                        + "\nNum2 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;

        }

    } // end class pair

}  // end class program