/* -*- coding: utf-8 -*-
 *
 * 305.cc: No.305 鍵(2) - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

typedef long long ll;

/* global variables */

int cs[10], ds[10];

/* subroutines */

void printv(int as[]) {
  for (int i = 0; i < 10; i++) printf("%d", as[i]);
  putchar('\n');
  cout.flush();
}

/* main */

int main() {
  for (int i = 0; i <= 9; i++) {
    for (int j = 0; j < 10; j++) printf("%d", i);
    putchar('\n');
    cout.flush();

    string s;
    cin >> cs[i] >> s;

    if (cs[i] == 10) return 0;
  }

  int y = cs[0];
  for (int i = 1; i <= 9; i++) {
    while (cs[i]) {
      for (int k = 0; k < 10; k++)
	if (ds[k] == 0) {
	  ds[k] = i;
	  printv(ds);

	  int x;
	  string s;
	  cin >> x >> s;

	  if (x == 10) return 0;
	  if (x > y) {
	    y++;
	    cs[i]--;
	    break;
	  }
	  ds[k] = 0;
	}
    }
  }
  return 0;
}