using System;

using System.Drawing;

public class Program

{

    static Rectangle r1,r2;

    public static void Main()

    {

        r1 = new Rectangle(0,0,10,10);

        r2 = new Rectangle(-10,-10,50,50);

        if(DoOverlap(r1,r2))

        {

            Console.WriteLine(true);

        }

        else

        {

            Console.WriteLine(false);

        }

    }

    public static bool DoOverlap(Rectangle r1, Rectangle r2)

    {

        return (r1.X + r1.Width) >= (r2.X) 

                && (r1.Y + r1.Height) >(r2.Y)

                && (r2.X + r2.Width) >= (r1.X) 

                && (r2.Y + r1.Height) > (r1.Y);

    }

}