//Programmer: Kanishk T

//Dates: Friday March 7

//Project: Greatest Number

//Description: Takes 4 numbers and ouputs the greatest number of them all

​

using System;

public class Program

{

    public static void Main()

    {

        // Note: this can be a little different than my IPO chart

        Console.WriteLine("Greatest number APP");

        Console.WriteLine("Enter First Number");

        double firstNum = Convert.ToDouble(Console.ReadLine()); //variable to store the first number

        Console.WriteLine("Enter Second Number");

        double secNum = Convert.ToDouble(Console.ReadLine()); //variable to store the second number

        double maxOne; //makes the variable maxOne global, so it can be accessed in if/else statements

        if (firstNum > secNum) 

        {

            maxOne = firstNum; //maxOne will be the first number since it's bigger

        }

        else

        {

            maxOne = secNum; //maxOne will be the second number since it's bigger

        }

        Console.WriteLine("Enter Third Number");

        double thirdNum = Convert.ToDouble(Console.ReadLine()); //variable to store the third number

        Console.WriteLine("Enter Fourth Number");

        double fourthNum = Convert.ToDouble(Console.ReadLine()); //variable to store the fourth number

        double maxTwo; //makes the variable maxTwo global, so it can be accessed in if/else statements

        if (thirdNum > fourthNum)

        {

            maxTwo = thirdNum; //maxTwo will be the third number since it's bigger

        }

        else

        {

            maxTwo = fourthNum; //maxTwo will be the fourth number since it's bigger

        }

        if (maxOne > maxTwo) //the greater value between maxOne and maxTwo will be the greatest value 

        {

            Console.WriteLine($"The greatest number of the four is: {maxOne}");

        }

        else

        {

            Console.WriteLine($"The greatest number of the four is: {maxTwo}");

        }

    }

}