#include <bits/stdc++.h>
using namespace std;
void Get_Num(int x, int &x0, int &x1, int &x2, int &x3) {
  x0 = x % 10;
  x1 = x % 100 / 10;
  x2 = x % 1000 / 100;
  x3 = x / 1000;
}
void Compare(int x, int y, int &b, int &c) {
  b = 0, c = 0;
  int num[2][4];
  Get_Num(x, num[0][0], num[0][1], num[0][2], num[0][3]);
  Get_Num(y, num[1][0], num[1][1], num[1][2], num[1][3]);
  for (int i = 0; i < 4; i++)
    if (num[0][i] == num[1][i]) b++;
  sort(num[0], num[0] + 4);
  sort(num[1], num[1] + 4);
  for (int i = 0, j = 0; i < 4; i++) {
    while (j < 4 && num[0][i] > num[1][j]) j++;
    if (j < 4 && num[0][i] == num[1][j]) j++, c++;
  }
  c -= b;
}
int a[2][10000], num[2];
void Fliter(int o, int x, int b, int c) {
  num[o ^ 1] = 0;
  for (int i = 0; i < num[o]; i++) {
    int b0, c0;
    Compare(x, a[o][i], b0, c0);
    if (b0 == b && c0 == c) a[o ^ 1][num[o ^ 1]++] = a[o][i];
  }
}
int Val(int o, int x) {
  int cnt[25];
  memset(cnt, 0, sizeof(cnt));
  for (int i = 0; i < num[o]; i++) {
    int b, c;
    Compare(x, a[o][i], b, c);
    cnt[b * 4 + c]++;
  }
  return *max_element(cnt, cnt + 25);
}
int main() {
  for (int i = 123; i < 10000; i++) {
    int x0, x1, x2, x3;
    Get_Num(i, x0, x1, x2, x3);
    if (x0 == x1 || x0 == x2 || x0 == x3 || x1 == x2 || x1 == x3 || x2 == x3)
      continue;
    a[0][num[0]++] = i;
  }
  int last = 123;
  printf("0123\n");
  fflush(stdout);
  for (int t = 0; t < 7; t++) {
    int b, c;
    scanf("%d%d", &b, &c);
    if (b == 4) return 0;
    Fliter(t & 1, last, b, c);
    if (t == 0) {
      if (b == 0 && c == 0) last = 4567;
      if (b == 1 && c == 0) last = 456;
      if (b == 0 && c == 1) last = 456;
      if (b == 2 && c == 0) last = 145;
      if (b == 1 && c == 1) last = 145;
      if (b == 0 && c == 2) last = 1045;
      if (b + c == 3) last = 124;
      if (b + c == 4) last = 1230;
    } else {
      int minv = 10000, o = (t & 1) ^ 1, tmp;
      for (int i = 0; i < num[o]; i++)
        if ((tmp = Val(o, a[o][i])) < minv) minv = tmp, last = a[o][i];
    }
    printf("%04d\n", last);
    fflush(stdout);
  }
  return 0;
}
