#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 col1, int col2);

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

    return 0;
}

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

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

    int pos = bin_search(lin, y1, y2);
    if(gasit) {
        return ;
    }

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

int bin_search(int nr, int col1, int col2) {
    int put = 1;

    while(put <= col2 - col1 + 1) {
        put <<= 1;
    }

    put >>= 1;

    int pos = col1 - 1;

    for(;put;put >>= 1) {
        int aux = pos + put;
        if(aux <= col2) {
            int x = Get(aux, nr);
            if(x == 0) {
                gasit = 1;
                return -2;
            }

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

    return pos;
}