#include <iostream>

using namespace std;
int a[201][201];
int cauta(int x1,int y1,int x2,int y2)
    {
        int x,y;
        long long height;
        x=(x1+x2)/2;
        y=(y1+y2)/2;
        cout<<x<<" "<<y<<"\n";
        cout.flush();
        cin>>height;
        a[x][y]=height;
        if (height==0)
            return 0;
        if (height<0)
            {
            cauta(x1,y+1,x,199);
            cauta(x+1,y1,199,y);
            cauta(x+1,y+1,199,199);
            }
        else
        {
            cauta(x1,y,x-1,199);
            cauta(x,y1,199,y-1);
            cauta(x1,y1,x-1,y-1);
        }
    }
int main()
{
    cauta(0,0,199,199);
    return 0;
}