#include <cstdio> #include <iostream> #include <vector> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <string> #include <cstring> #include <sstream> #include <algorithm> #include <functional> #include <queue> #include <stack> #include <cmath> #include <iomanip> #include <list> #include <tuple> #include <bitset> #include <ciso646> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll, ll> P; typedef tuple<ll, ll, ll> T; typedef vector<ll> vec; inline bool cheak(ll x, ll y, ll xMax, ll yMax){ return x >= 0 && y >= 0 && xMax > x && yMax > y; } inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } template<class _RanIt> inline string toString(_RanIt _First, _RanIt _Last, string sep) { if (_First == _Last)return ""; ostringstream sout; sout << *_First; for (_First = next(_First); _First != _Last; _First = next(_First)) { sout << sep << *_First; }return sout.str(); } template<class _RanIt> inline string toString(_RanIt _First, _RanIt _Last, string sep, string sep2) { if (_First == _Last)return ""; ostringstream sout; sout << toString(all(*_First), sep); for (_First = next(_First); _First != _Last; _First = next(_First)) { sout << sep2 << toString(all(*_First), sep); }return sout.str(); } template<class T> inline T sqr(T x) { return x*x; } template<class T> inline T mypow(T x, ll n){ T res = 1; while (n > 0){ if (n & 1)res = res * x; x = x * x; n >>= 1; }return res; } inline int gcd(ll a, ll b){ return b ? gcd(b, a%b) : a; } inline int lcm(ll a, ll b){ return a / gcd(a, b) * b; } #define For(i,a,b) for(ll (i) = (a);i < (b);(i)++) #define rep(i,n) For(i,0,n) #define rFor(i,a,b) for(ll (i) = (a-1);i >= (b);(i)--) #define rrep(i,n) rFor(i,n,0) #define clr(a) memset((a), 0 ,sizeof(a)) #define mclr(a) memset((a), -1 ,sizeof(a)) #define all(a) (a).begin(),(a).end() #define sz(a) (sizeof(a)) #define tostr(a) toString(a) const ll dx[8] = { 1, 0, -1, 0, 1, 1, -1, -1 }, dy[8] = { 0, -1, 0, 1, -1, 1, -1, 1 }; const ll mod = 1e9 + 7; const ll INF = 1e9 + 9; #define int ll signed main(){ int prev = -1; string ans(10, '0'); string s; cout << ans << endl; cin >> prev >> s; rep(target, 10){ rep(chg, 10){ string out(10, '0'); out[target] = chg + '0'; cout << out << endl; int now; cin >> now >> s; if (s == "unlocked")return 0; if (now > prev){ ans[target] = chg; break; } prev = now; } } cout << ans << endl; return 0; }