#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
#include<stack>
#include<queue>
#include<vector>
#include<algorithm>
#include<string>
#include<iostream>
#include<set>
#include<map>
#include<bitset>

using namespace std;
typedef long long ll;
#define i_7 1000000007
#define i_5 1000000005

ll mod(ll a){
    ll c=a%i_7;
    if(c>=0)return c;
    else return c+i_7;
}
typedef pair<int,int> i_i;
typedef pair<ll,ll> l_l;
ll inf=1000000000000;/*10^12*/
#define rep(i,l,r) for(ll i=l;i<=r;i++)
ll max(ll a,ll b){if(a<b)return b;else return a;}
ll min(ll a,ll b){if(a>b)return b;else return a;}


//////////////////////////////////////

int print(int x,int y){
    cout<<x<<" "<<y<<endl;
    fflush(stdout);
    int b;cin>>b;
    return b;
}

int main(){
    int c=1000000000;
    int a=print(0,0);
    if(a==0)return 0;
    int b=print(c,0);
    if(b==0)return 0;
    int x,y;
    x=(a-b+c)/2;
    y=(a+b-c)/2;
    print(x,y);
    
    return 0;
}