#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#pragma GCC optimize ("Ofast")
#include <cstdio>
#include <cctype>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define REP(i, m, n) for (int i = (m); i < (n); ++i)

#define gc getchar_unlocked
#define pc putchar_unlocked
//#define gc _getchar_nolock
//#define pc _putchar_nolock

inline int input()noexcept {
	int v = 0; char c = gc();
	for (; isdigit(c); c = gc()) {
	  v *= 10;
		v += c - '0';
  }
	return v;
}

char ans[10];
inline void out() {
  rep(i, 10)pc(ans[i]);
  pc('\n'); fflush(stdin);
}

int main() {
  rep(i, 10)ans[i] = '0';
  
  rep(i, 10) {
    out();
    int a = input();
    if (a == 10)return 0;
    rep(_, 7)gc();
    
    REP(j, 1, 10) {
      ans[i] = '0' + j;
      out();
      int b = input();
      if (b == 10)return 0;
      rep(_, 7)gc();
      if (a > b) {
        ans[i] = '0';
        break;
      } else if (a < b) {
        break;
      }
    }
  }
  out();
  if (input() != 10) {
    puts("?!");
  }
}