#include<bits/stdc++.h>
using namespace std;

#define int long long

#define rep(i,n) for(int i=0;i<(n);i++)
#define pb push_back
#define all(v) (v).begin(),(v).end()
#define fi first
#define se second
typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;

template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}

signed main(){
    int x,y;
    int d1,d2;
    cout<<0<<" "<<0<<endl;
    cin>>d1;
    if(d1==0)return 0;

    cout<<0<<" "<<1000000000<<endl;
    cin>>d2;
    if(d2==0)return 0;

    int a=0,b=1000000000;
    if(d1<d2)b-=d2-d1;
    else a+=d1-d2;

    y=(a+b)/2;

    cout<<0<<" "<<0<<endl;
    cin>>d1;
    if(d1==0)return 0;

    cout<<1000000000<<" "<<0<<endl;
    cin>>d2;
    if(d2==0)return 0;

    a=0,b=1000000000;
    if(d1<d2)b-=d2-d1;
    else a+=d1-d2;
    x=(a+b)/2;
    cout<<x<<" "<<y<<endl;

    int latte;
    cin>>latte;
    assert(latte==0);
    return 0;
}