using System;

public class Program

{

    public static void Main()

    {

        int s = 10;

        int y = 15;

        int t = s + y;

        int z = y - s;

         int q = y / s;

        int w = y * s;

        Console.WriteLine("Hello, " + t + " , " + q + ", " + w + "; " );

    }

}