#include <bits/stdc++.h>
using namespace std;
#define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define rep(i,n) repl(i,0,n)
#define mp(a,b) make_pair((a),(b))
#define pb(a) push_back((a))
#define all(x) (x).begin(),(x).end()
#define uniq(x) sort(all(x)),(x).erase(unique(all(x)),end(x))
#define fi first
#define se second
#define dbg(x) cout<<#x" = "<<((x))<<endl
template<class T,class U> ostream& operator<<(ostream& o, const pair<T,U> &p){o<<"("<<p.fi<<","<<p.se<<")";return o;}
template<class T> ostream& operator<<(ostream& o, const vector<T> &v){o<<"[";for(T t:v){o<<t<<",";}o<<"]";return o;}

#define INF 2147483600

int main(){
  int l=0, r=100000;
  while(r-l>2){
    int ml=(r+l*2)/3;
    int mr=(r*2+l)/3;
    int dl,dr;
    cout << 0 << " " << ml << endl;
    cin>>dl;
    cout << 0 << " " << mr << endl;
    cin>>dr;

    if(dl<dr){
      r = mr;
    } else {
      l = ml;
    }
  }

  int dl,dm,dr;
  cout << 0 << " " << l << endl;
  cin>>dl;
  cout << 0 << " " << r << endl;
  cin>>dr;
  cout << 0 << " " << (l+r)/2 << endl;
  cin>>dm;

  if(dl<=dr && dl<=dm){
    cout << dl << " " << l << endl;
  } else if(dm<=dl && dm<=dr){
    cout << dm << " " << (l+r)/2 << endl;
  } else {
    cout << dr << " " << r << endl;
  }

  return 0;
}