#include <iostream>

using namespace std;

int main()
{
    int x;

    for(int i = 0; i <= 200; ++i)
        for(int j = 0; j <= 200; ++j)
        {
            cout << i << ' ' << j << '\n';
            cout.flush();
            cin >> x;
            if(x == 0)
            {
                i = 205;
                j = 205;
            }
            else if(x > 0)
            {
                j = 205;
            }
        }
    return 0;
}