#include <bits/stdc++.h>

using namespace std;

int main()
{
  int t1, t2;

  cout << 0 << " " << 0 << endl;
  cin >> t1;
  if(t1 == 0) return (0);

  int sz = 1000000000;
  cout << sz << " " << 0 << endl;
  cin >> t2;
  if(t2 == 0) return (0);

  int y = (t1 + t2 - sz) / 2;
  cout << t1 - y << " " << y << endl;
}