#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair pii; typedef pair pll; const int INF = 1e9; const ll LINF = 1e18; inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } template ostream& operator << (ostream& out,const pair& o){ out << "(" << o.first << "," << o.second << ")"; return out; } template ostream& operator << (ostream& out,const vector V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; } template ostream& operator << (ostream& out,const vector > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; } template ostream& operator << (ostream& out,const map mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; } /* 問題文============================================================ ================================================================= 解説============================================================= http://d.hatena.ne.jp/chakoku/20130505/1367744022 ================================================================ */ using query = tuple; set querys; pii Try(const query& q){ cout << get<0>(q) << " " << get<1>(q) << " " << get<2>(q) << " " << get<3>(q) << endl; int X,Y; cin >> X >> Y; if(X == 4) exit(1); return {X,Y}; } pii Check(const query& q1,const query& q2){ int H = 0,B = 0; vector v1 = {get<0>(q1),get<1>(q1),get<2>(q1),get<3>(q1)}; vector v2 = {get<0>(q2),get<1>(q2),get<2>(q2),get<3>(q2)}; for(int i = 0; i < 4;i++) H += v1[i]==v2[i]; for(int i = 0; i < 4;i++){ for(int j = 0; j < 4;j++){ B += v1[i]==v2[j]; } } B-=H; return {H,B}; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); for(int i = 0; i < 10; i++){ for(int j = 0; j < 10;j++){ if(i == j) continue; for(int k = 0; k < 10;k++){ if(i == k || j == k) continue; for(int l = 0; l < 10;l++){ if(i == l || j == l || k == l) continue; querys.insert(query(i,j,k,l)); } } } } while(querys.size()){ auto Q = *querys.begin(); querys.erase(Q); auto rep = Try(Q); set next; for(auto T : querys){ if(Check(T,Q) == rep){ next.insert(T); } } querys = next; } return 0; }