#include <bits/stdc++.h>

using namespace std;

int main()
{
    const int N = 200;

    int X = 0;
    int Y = N - 1;

    while (true)
    {
        printf("%d %d\n", X, Y);
        fflush(stdout);

        int h;
        scanf("%d", &h);

        if (h == 0)
            break;

        if (h > 0)
            Y--;
        else
            X++;
    }

    return 0;
}