using System;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Enter x:");
            int x = int.Parse(Console.ReadLine());
            Console.Write("Enter y:");
            int y = int.Parse(Console.ReadLine());
            Console.WriteLine("Difference = {0}", x - y);
        }
    }
}