#include <iostream>
#include <cstdlib>

using namespace std;

int get_val(int lin, int col) {
    cout << lin - 1 << ' ' << col - 1 << '\n';
    cout.flush();

    int val;
    cin >> val;
    return val;
}

bool done;
int binara(int linie, int l, int r) {
    int st = l, dr = r;

    int aux;
    int ans = 201;

    while (st <= dr) {
        int mijl = (st + dr) >> 1;

        aux = get_val(linie, mijl);

        if (aux == 0)
            exit(0);

        if (aux > 0)
        {
            ans = mijl;
            dr = mijl - 1;
        }
        else {
            st = mijl + 1;
        }
    }

    return ans;
}

int main()
{
    int val = 201;
    for (int i = 1; i <= 200; ++ i)
        val = binara(i, 1, val - 1);
    return 0;
}