#include <iostream>
using namespace std;

int main() {
    int line = 199, col = 0;
    
    while (true) {
        cout << line << " " << col << "\n";
        cout.flush();
        
        int val;
        cin >> val;
        
        if (val == 0) return 0;
        if (val > 0) line -= 1;
        else col += 1;
    }
}