// clang-format off

#include <bits/stdc++.h>

#define int long long int
#define main signed main()
#define bye return 0
#define loop(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n) loop(i, 0, n)
#define each(p, v) for (auto p = (v).begin(); p != (v).end(); p++)
#define all(v) (v).begin(), (v).end()
#define prec(n) fixed << setprecision(n)
#define dump(x) cerr << "(L" << __LINE__ << ") " << #x << " = " << (x) << endl
#define clr(x, a) memset(x, a, sizeof(x))

#define sum(v) accumulate(all(v), 0)
#define stlice(from, to) substr(from, (to) - (from) + 1)
#define odd(n) ((n) % 2)
#define even(n) (!odd(n))

#define INF 1000000000
#define MOD 1000000007

#define pb push_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define vi vector<int>
#define vb vector<bool>
#define vc vector<char>

using namespace std;

// clang-format on

main {
  int x1 = 0, x2 = 100000, y1 = 0, y2 = 100000;
  while (true) {
    int t, s;
    cout << x1 << ' ' << y1 << endl;
    cin >> t;
    cout << x2 << ' ' << y2 << endl;
    cin >> s;
    if (t == 0) {
      cout << x1 << ' ' << y1 << endl;
      bye;
    }
    if (s == 0) {
      cout << x2 << ' ' << y2 << endl;
      bye;
    }
    if (t <= s) {
      x2 = x1 + (x2 - x1) / 2;
      y2 = y1 + (y2 - y1) / 2;
    } else {
      x1 = x1 + (x2 - x1) / 2;
      y1 = y1 + (y2 - y1) / 2;
    }
  }
  bye;
}