#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define mt make_tuple
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

int ask(int x, int y) {
    cout << x << ' ' << y << endl;
    int res;
    cin >> res;
    if (res == 0)exit(0);
    return res;
}

int main(){
    int x = 0, y = (ask(100000, 0) + ask(0, 0)) / 2;
    rep(i, 17) {
        int d = ask(x, y);
        if (d&(1 << i)) {
            x |= 1 << i;
        }
    }
}