using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Set the value of x: ");

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

        // read values

        Console.Write("set the value of Y: ");

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

        // you can declare Z as var

        int z;

        // Do the operation

        z = (y - 3) % x / (x - y);

        z--;

        // write results

        Console.WriteLine("the result of the expression '(x - y) % x / (x + y)'");

        Console.WriteLine("With X = {0}, y = {1}", x,y);

        Console.WriteLine("Is z = {0}", z);

    }

}