/*

Members:

Ogawa, Kent Clark

Bolanos, Rafael

Diaz, Rayhan

Martinez, Sherli

Taguba, Mark Jayson */

​

using System;

public class Program

{

    public static int Add(int x, int y){

        return x + y;

    }

    public static int Minus(int x, int y){

        return x - y;

    }

    public static int Multiply(int x, int y){

        return x * y;

    }

    public static int Divide(int x, int y){

        return x / y;

    }

    public static void Main()

    {

        do{

            Console.WriteLine("What operation should we use? (exit, add, minus, multiply, and divide)");

            string termination = Console.ReadLine();

            if (termination == "exit"){

                Console.WriteLine("The program has now stopped.");

                break;

            }

            if (termination == "add"){

                Console.WriteLine("First addend is: ");

                int addend1 = Convert.ToInt32(Console.ReadLine());

                Console.WriteLine("Second addend is: ");

                int addend2 = Convert.ToInt32(Console.ReadLine());

                int sum = Add(addend1, addend2);

                Console.WriteLine("The sum of {0} and {1} is {2}", addend1, addend2, sum);

            }

            if (termination == "minus"){

                Console.WriteLine("What's the minuend: ");

                int minuend = Convert.ToInt32(Console.ReadLine());

                Console.WriteLine("What's the subtrahend: ");

                int subtrahend = Convert.ToInt32(Console.ReadLine());

                int difference = Minus(minuend, subtrahend);

                Console.WriteLine("The difference of {0} and {1} is {2}", minuend, subtrahend, difference);

            }

            if (termination == "multiply"){

                Console.WriteLine("What's the multiplicand: ");

                int multiplicand = Convert.ToInt32(Console.ReadLine());

                Console.WriteLine("What's the multiplier: ");

                int multiplier = Convert.ToInt32(Console.ReadLine());

                int product = Multiply(multiplicand, multiplier);

                Console.WriteLine("The product of {0} and {1} is {2}", multiplicand, multiplier, product);

            }

            if (termination == "divide"){

                Console.WriteLine("What's the dividend: ");

                int dividend = Convert.ToInt32(Console.ReadLine());

                Console.WriteLine("What's the divisor: ");

                int divisor = Convert.ToInt32(Console.ReadLine());

                int quotient = Divide(dividend, divisor);

                Console.WriteLine("The quotient of {0} and {1} is {2}", dividend, divisor, quotient);

            }

        }while(true);

    }

}