using System;

class Program
{
    private static readonly Scanner sc = new Scanner();
    // private static readonly int INF = 1010101010;
    static void Main(string[] args)
    {
        int x = 0;
        int y = 0;
        for (int i = 0; i < 2; i++)
        {
            int left = 0;
            int right = 100001;

            while(left + 1 < right)
            {
                int midl = (left + right * 2) / 3;
                int midr = (left * 2 + right) / 3;
                int dl, dr;

                if (i == 0)
                {
                    Console.WriteLine("{0} {1}", midl, y);
                    dl = sc.Int;
                    Console.WriteLine("{0} {1}", midr, y);
                    dr = sc.Int;
                }
                else
                {
                    Console.WriteLine("{0} {1}", x, midl);
                    dl = sc.Int;
                    Console.WriteLine("{0} {1}", x, midr);
                    dr = sc.Int;
                }
                
                if (dl < dr)
                    right = midr;
                else 
                    left = midl;
            }

            if (i == 0)
                x = left;
            else 
                y = left;
        }
        Console.WriteLine("{0} {1}", x, y);
    }
}

class Scanner
{
    private string[] _str = new string[0];
    private int _i;

    public string Str
    {
        get
        {
            if (_i >= _str.Length)
            {
                _str = Console.ReadLine().Split(' ');
                _i = 0;
            }
            return _str[_i++];
        }
    }

    public int Int { get { return int.Parse(Str); } }
    public long Long { get { return long.Parse(Str); } }
    public double Double { get { return double.Parse(Str); } }
}