#include <iostream>
#include <string>
#include <vector>
#include <sstream>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>

using namespace std;
using ll = long long;

#define all(c) (c).begin(), (c).end()
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define pb(e) push_back(e)
#define mp(a, b) make_pair(a, b)
#define fr first
#define sc second

const ll INF=1e9;
const ll MOD=1e9+7;
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};

vector<int> ans;
pair<int,int> query(vector<int> vec) {
    rep(i,4) cout<<vec[i]<<" ";
    cout<<endl;
    pair<int,int> ret;
    cin>>ret.first>>ret.second;
    return ret;
}
int main() {
    ans.resize(4);
    vector<int> vec;
    vec.resize(4);
    rep(i,4) {
        auto p=query(ans);
        rep(j,10) {
            vec[i]=j;
            auto t=query(ans);
            if(t.second>=p.second) ans=vec;
        }
    }
    sort(all(ans));
    do {
        query(ans);
    }while(std::next_permutation(all(ans)));

    return 0;
}