#include <iostream>

using namespace std;

int N;
int x,y;
int row,column;
int value;
int sol;

bool done;


void cauta_linie()
{
    int l = 0;
    int r = N-1;

    int mid;

    while (l <= r)
    {
        mid = (l+r)/2;

        cout << mid << " 0\n";
        cout.flush();
        cin >> value;

        if (value == 0)
        {
            done = true;
            break;
        }

        if (value < 0)
        {
            sol = mid;
            l = mid + 1;
        }

        if (value > 0)
        {
            r = mid - 1;
        }
    }
}

void cauta_coloana(int sol)
{
    int l = 0;
    int r = N-1;

    int mid;

    while (l <= r)
    {
        mid = (l+r)/2;

        cout << sol << " " << mid << '\n';
        cout.flush();
        cin >> value;

        if (value == 0)
        {
            done = true;
            break;
        }

        if (value > 0)
        {
            r = mid - 1;
        }

        if (value < 0)
        {
            l = mid + 1;
        }

    }
}

int main()
{
    N = 200;

    done = false;

    //cauta_linie();

    /*if (done)
    {
        return 0;
    }*/

    for (int i = 0; i < N; ++i)
    {
        if (done)
        {
            return 0;
        }
        cauta_coloana(i);
    }

    return 0;
}