#include<iostream>
using namespace std;
int a[205][205];
int main()
{
    int x=0,y=0,lx,ly,N,ok=0;
    cout<<x<<" "<<y<<"\n";
    cout.flush();
    cin>>N;
    while (N)
    {
        if (N<0)
        {
            ++x, ++y;
            cout<<x<<" "<<y<<"\n";
            cout.flush();
            cin>>N;
        }
        else
        {
            if (!ok)
            {
                ok=1;
                cout<<x-1<<" "<<y<<"\n";
                cout.flush();
                cin>>N;
            }
            else
            {
                ok=1;
                cout<<x<<" "<<y-1<<"\n";
                cout.flush();
                cin>>N;
            }
        }
    }
    return 0;
}