Adding Machine

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplicationAddingMachine
{
	class Program
	{
		static void Main(string[] args)
		{
			// declare some variables
			int int1;
			int int2;
			int int3;

			// ask the user for the first number
			Console.WriteLine("Hey you - give me a number. Right now!");

			// capture the first number
			int1 = int.Parse(Console.ReadLine());

			// ask for the second number
			Console.WriteLine("Another! Another number!");

			// capture the second
			int2 = int.Parse(Console.ReadLine());

			// ask for the second number
			Console.WriteLine("Another! A third number!");

			// capture the second
			int3 = int.Parse(Console.ReadLine());

			// calculate the sum of the three numbers

			// declare a variable to hold the sum
			int intSum = int1 + int2 + int3;

			if (intSum <= 20 && intSum >= 0)
			{
				Console.WriteLine("I don't remember what it was!");
			}
			else
			{
				Console.WriteLine("The sum is: " + intSum + ".");
			}

			Console.ReadKey();
		}
	}
}