using System;

namespace PointInTheFigure
{
    class Program
    {
        static void Main()
        {
            int input = int.Parse(Console.ReadLine());
            int x = int.Parse(Console.ReadLine());
            int y = int.Parse(Console.ReadLine());

            int x1 = 0;
            int y1 = 0;
            int x2 = 3 * input;
            int y2 = input;
            int x3 = input;
            int y3 = input;
            int x4 = 2 * input;
            int y4 = 4 * input;

            bool inRectA = (x > x1 && x < x2) && (y > y1 && y < y2);           //Inside horizontal rectagle(RECTENGAL A)

            bool inRectB = (x > x3 && x < x4) && (y > y3 && y < y4);           //inside vertical rectangle(RECTENGAL B)

            bool rectABorder = ((x == x1 || x == x2) && (y >= y1 && y <= y2)) ||
                               ((y == y1 || y == y2) && (x >= x1 && x <= x2)); // rectengal A border

            bool rectBBorder = ((x == x3 || x == x4) && (y >= y3 && y <= y4)) ||
                               ((y == y3 || y == y4) && (x >= x3 && x <= x4)); // rectangle B border

            bool exeption =    ((y == y2) && (x > input && x < 2 * input));         /*this is the part of rect A border where
                                                                                 Conncets to rect B  witch must be "inisde"
                                                                                 not "Border"*/


            if ( (rectABorder || rectBBorder)&&(!exeption))
            {
                Console.WriteLine("border");
            }
            else if (inRectA || inRectB||exeption)
            {
                Console.WriteLine("inside");
            }
            else
            {
                Console.WriteLine("outside");
            }

        }
    }
}