using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(DoPercentagesOverlap(2, 10, 1 , 11));

    }

    public static bool DoPercentagesOverlap(int rangeOneBegin, int rangeOneEnd, int rangeTwoBegin, int rangeTwoEnd)

    {

        if ((rangeOneBegin <= rangeTwoBegin && rangeOneEnd >= rangeTwoBegin) ||

            (rangeOneBegin <= rangeTwoEnd && rangeOneEnd >= rangeTwoEnd)) 

        {       

            return true;

        }

        return false;

    }

}