using System;

public class Program

{

    public static void Main()

    {

        int a, b;//Declatration on number type int

        a=700;

        b=631;

        Console.WriteLine("a="+a);

        Console.WriteLine("b="+b);

        int x;

        x=a-b;

        int y;

        y=b*a;

        Console.WriteLine("x="+x);

        Console.WriteLine("y="+y);

    }

}