#include <iostream>
#include <cstdio>

using namespace std;

int lin, col, x, N = 199;

int main() {
    lin = 0;col = 0;

    cout << 0 << ' ' << 0 << '\n' << flush;

    cin >> x;

    int prev = x;

    while(x) {
        while(lin < N && x < 0) {
            ++lin;
            cout << lin << ' ' << col << '\n' << flush;
            prev = x;
            cin >> x;
        }

        if(x == 0) {
            break;
        }

        --lin;
        x = prev;

        while(col < N && x < 0) {
            ++col;
            cout << lin << ' ' << col << '\n' << flush;
            prev = x;
            cin >> x;
        }

        if(x == 0) {
            break;
        }

        --col;
        x = prev;
    }

    return 0;
}