#include <bits/stdc++.h>

using namespace std;


int main() {
  int n=200;
  int left=0, right=n-1;
  int top=0, bot = n-1;

  for (;;) {
    cout<<top<<" "<<right<<endl<<flush;
    int v;
    cin>>v;
    if (v==0) break;
    if (v>0) {
      right--;
    } else {
      top++;
    }
  }
    
  return 0;
}