using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;

public class Program
{

    public void Proc() {
        int max = 100000;
        int x = GetX(0, max);
        if(x == -1) {
            return;
        }
        int y = GetY(0, max, x);

    }
    private int GetY(int min, int max, int x) {
		int mid1 = min + (min + max) / 3;
		int mid2 = max - (min + max) / 3;

		int kyori1 = Tell(x, min);
		if (kyori1 == 0)
		{
			return -1;
		}
        int kyori2 = Tell(x, mid1);
		if (kyori2 == 0)
		{
			return -1;
		}
        int kyori3 = Tell(x, mid2);
		if (kyori3 == 0)
		{
			return -1;
		}
        int kyori4 = Tell(x, max);
		if (kyori4 == 0)
		{
			return -1;
		}
		int minVal = new int[] { kyori1, kyori2, kyori3, kyori4 }.Min();

		if (max - min <= 3)
		{
			return minVal;
		}
		if (minVal == kyori1)
		{
            return GetY(min, mid1, x);
		}
		if (minVal == kyori2)
		{
            return GetY(min, mid2, x);
		}
		if (minVal == kyori3)
		{
            return GetY(mid1, max, x);
		}
		return GetY(mid2, max, x);
	}

    private Dictionary<int, Dictionary<int, int>> dic = new Dictionary<int, Dictionary<int, int>>();

    private int GetX(int min, int max) {
        int mid1 = min + (min + max) / 3;
        int mid2 = max - (min + max) / 3;

        int kyori1 = Tell(min, 0);
        if(kyori1 ==0) {
            return -1;
        }
        int kyori2 = Tell(mid1, 0);
        if(kyori2 == 0) {
            return -1;
        }
        int kyori3 = Tell(mid2, 0);
        if(kyori3 == 0) {
            return -1;
        }
        int kyori4 = Tell(max, 0);
        if(kyori4 == 0) {
            return -1;
        }
        int minVal = new int[] {kyori1, kyori2, kyori3, kyori4}.Min();

        if(max-min<=3) {
            return minVal;
        }
        if(minVal == kyori1) {
            return GetX(min, mid1);
        }
        if(minVal == kyori2) {
            return GetX(min, mid2);
        }
        if(minVal == kyori3) {
            return GetX(mid1, max);
        }
        return GetX(mid2, max);
    }

    private int Tell(int x, int y) {
        if(!dic.ContainsKey(x)) {
            dic.Add(x, new Dictionary<int, int>());
        }
        if(dic[x].ContainsKey(y)) {
            return dic[x][y];
        }
        Console.WriteLine(x + " " + y);
        int ans = int.Parse(Console.ReadLine());
        dic[x][y] = ans;
        return ans;
    }



    public class Reader
    {
        private static StringReader sr;
        public static bool IsDebug = false;
        public static string ReadLine() {
            if(IsDebug) {
                if(sr == null) {
                    sr = new StringReader(InputText.Trim());
                }
                return sr.ReadLine();
            } else {
                return Console.ReadLine();
            }
        }
        private static string InputText = @"
        
aaaaaaa


";
    }

    public static void Main(string[] args)
    {
#if DEBUG
        Reader.IsDebug = true;
#endif
        Program prg = new Program();
        prg.Proc();
	}
}