#include <iostream>
#include <cstdio>

using namespace std;

int lin, col, x;

int main() {
    lin = 1;col = 1;
    cout << 1 << ' ' << 1 << '\n';

    cin >> x;
    int prev = x;

    while(x) {
        cout.flush();

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

        if(x == 0) {
            break;
        }

        --lin;
        x = prev;

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

        if(x == 0) {
            break;
        }

        --col;
        x = prev;
    }

    return 0;
}