using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _13_Point_in_the_Figure
{
    public class Box
    {
        public int Number { get; set; }
        public int size { get; set; }
        public int startX { get; set; }
        public int startY { get; set; }
        public int endX { get; set; }
        public int endY { get; set; }

        public void defineEnds()
        {
            this.endX = this.startX + this.size;
            this.endY = this.startY + this.size;
        }

    }

    class Program
    {
        static void Main(string[] args)
        {
            int h = int.Parse(Console.ReadLine());
            int x = int.Parse(Console.ReadLine());
            int y = int.Parse(Console.ReadLine());

            Box Box1 = GetBox1(h);
            Box Box2 = GetBox2(h, Box1);
            Box Box3 = GetBox3(h, Box2);
            Box Box4 = GetBox4(h, Box1);
            Box Box5 = GetBox5(h, Box4);
            Box Box6 = GetBox6(h, Box5);
            bool Border, Inside;
            CheckForBorderOrInside(x, y, Box1, Box2, Box3, Box4, Box5, Box6, out Border, out Inside);

            Border = Edges(x, y, Box1, Box2, Box5, Border);

            if (Border)
            {
                Console.WriteLine("border");
            }
            else if (Inside)
            {
                Console.WriteLine("inside");
            }
            if (Border == false && Inside == false)
            {
                Console.WriteLine("outside");
            }

        }

        private static void CheckForBorderOrInside(int x, int y, Box Box1, Box Box2, Box Box3, Box Box4, Box Box5, Box Box6, out bool Border, out bool Inside)
        {
            Border = false;
            Inside = false;
            if (CheckForBorder(Box1, x, y) && (!CheckForBorder(Box2, x, y)))
            {
                Border = true;
            }
            else if (CheckForBorder(Box2, x, y) && (!CheckForBorder(Box1, x, y)) && (!CheckForBorder(Box3, x, y)) && (!CheckForBorder(Box4, x, y)))
            {
                Border = true;
            }
            else if (CheckForBorder(Box3, x, y) && (!CheckForBorder(Box2, x, y)))
            {
                Border = true;

            }
            else if (CheckForBorder(Box4, x, y) && (!CheckForBorder(Box2, x, y)) && (!CheckForBorder(Box5, x, y)))
            {
                Border = true;
            }
            else if (CheckForBorder(Box5, x, y) && (!CheckForBorder(Box4, x, y)) && (!CheckForBorder(Box6, x, y)))
            {
                Border = true;
            }
            else if (CheckForBorder(Box6, x, y) && (!CheckForBorder(Box5, x, y)))
            {
                Border = true;
            }
            else if (CheckForBorder(Box1, x, y) && CheckForBorder(Box2, x, y))
            {
                Inside = true;
            }
            else if (CheckForBorder(Box2, x, y) && ((CheckForBorder(Box3, x, y)) || (CheckForBorder(Box4, x, y))))
            {
                Inside = true;
            }
            else if (CheckForBorder(Box4, x, y) && CheckForBorder(Box5, x, y))
            {
                Inside = true;
            }
            else if (CheckForBorder(Box5, x, y) && CheckForBorder(Box6, x, y))
            {
                Inside = true;
            }
            else if (CheckForInside(Box1, x, y) || CheckForInside(Box2, x, y) || CheckForInside(Box3, x, y)
                || CheckForInside(Box4, x, y) || CheckForInside(Box5, x, y) || CheckForInside(Box6, x, y))
            {
                Inside = true;
            }
        }

        private static bool Edges(int x, int y, Box Box1, Box Box2, Box Box5, bool Border)
        {
            if (x == Box1.endX && y == Box1.endY)
            {
                Border = true;
            }
            else if (x == Box1.endX && y == Box1.startY)
            {
                Border = true;
            }
            else if (x == Box2.endX && y == Box2.startY)
            {
                Border = true;
            }
            else if (x == Box2.endX && y == Box2.endY)
            {
                Border = true;
            }
            else if (x == Box5.startX && y == Box5.startY)
            {
                Border = true;
            }
            else if (x == Box5.startX && y == Box5.endY)
            {
                Border = true;
            }
            else if (x == Box5.endX && y == Box5.startY)
            {
                Border = true;
            }
            else if (x == Box5.endX && y == Box5.endY)
            {
                Border = true;
            }

            return Border;
        }

        private static Box GetBox6(int h, Box Box5)
        {
            Box Box6 = new Box();
            Box6.startX = Box5.startX;
            Box6.startY = Box5.endY;
            Box6.size = h;
            Box6.defineEnds();
            return Box6;
        }

        private static Box GetBox5(int h, Box Box4)
        {
            Box Box5 = new Box();
            Box5.startX = Box4.startX;
            Box5.startY = Box4.endY;
            Box5.size = h;
            Box5.defineEnds();
            return Box5;
        }

        private static Box GetBox4(int h, Box Box1)
        {
            Box Box4 = new Box();
            Box4.startX = Box1.endX;
            Box4.startY = Box1.endY;
            Box4.size = h;
            Box4.defineEnds();
            return Box4;
        }

        private static Box GetBox3(int h, Box Box2)
        {
            Box Box3 = new Box();
            Box3.startX = Box2.endX;
            Box3.startY = Box2.startY;
            Box3.size = h;
            Box3.defineEnds();
            return Box3;
        }

        private static Box GetBox1(int h)
        {
            Box Box1 = new Box();
            Box1.startX = 0;
            Box1.startY = 0;
            Box1.size = h;
            Box1.defineEnds();
            return Box1;
        }

        private static Box GetBox2(int h, Box Box1)
        {
            Box Box2 = new Box();
            Box2.startX = Box1.endX;
            Box2.startY = Box1.startY;
            Box2.size = h;
            Box2.defineEnds();
            return Box2;
        }

        public static bool CheckForBorder(Box CurrentBox, int XtoCheck, int YtoCheck)
        {
            bool Xequality = XtoCheck == CurrentBox.startX || XtoCheck == CurrentBox.endX;
            bool Yinside = CurrentBox.startY <= YtoCheck && YtoCheck <= CurrentBox.endY;
            bool Yequality = YtoCheck == CurrentBox.startY || YtoCheck == CurrentBox.endY;
            bool Xinside = CurrentBox.startX <= XtoCheck && XtoCheck <= CurrentBox.endX;
            bool isBorder = false;
            if (Xequality && Yinside)
            {
                isBorder = true;
            }
            else if (Yequality && Xinside)
            {
                isBorder = true;
            }
            return isBorder;
        }

        public static bool CheckForInside(Box CurrentBox, int XtoCheck, int YtoCheck)
        {
            bool Yinside = CurrentBox.startY < YtoCheck && YtoCheck < CurrentBox.endY;
            bool Xinside = CurrentBox.startX < XtoCheck && XtoCheck < CurrentBox.endX;
            bool isInside = false;
            if (Xinside && Yinside)
            {
                isInside = true;
            }
            return isInside;
        }
    }
}