#include <iostream>
#include <cstdio>

using namespace std;

int gasit;

int Get(int line, int col) {
    cout << line << ' ' << col << '\n';
    int val;
    cout.flush();
    cin >> val;
    return val;
}

void f(int x1, int y1, int x2, int y2);
int bin_search(int nr, int lin1, int lin2);

int main() {
    f(0, 0, 199, 199);

    return 0;
}

void f(int x1, int y1, int x2, int y2) {
    int col = (y1 + y2) / 2;

    if(x1 > x2 || y1 > y2) {
        return ;
    }

    int pos = bin_search(col, x1, x2);
    if(gasit) {
        return ;
    }

    f(x1, col + 1, pos, y2);
    if(!gasit) {
        f(pos + 1, y1, x2, col - 1);
    }
}

int bin_search(int nr, int lin1, int lin2) {
    int put = 1;

    while(put <= lin2 - lin1 + 1) {
        put <<= 1;
    }

    put >>= 1;

    int pos = lin1 - 1;

    for(;put;put >>= 1) {
        int aux = pos + put;
        if(aux <= lin2) {
            int x = Get(aux, nr);
            if(x == 0) {
                gasit = 1;
                return -2;
            }

            if(x < 0) {
                pos = aux;
            }
        }
    }

    return pos;
}