#include <stdio.h>
int main() {
  long long A, B, str_1[100] = {0};
  char str_2[10] = {'\0'};
  int i, j = 0, k;
  scanf("%lld %lld", &A, &B);
  for (i = A; i <= B; i++) {
    str_1[j] = i;
    j++;
  }
  for (i = 0; i < j; i++) {
    if (str_1[i]%3 == 0) {
      printf("%lld\n", str_1[i]);
    } else {
      sprintf(str_2, "%lld", str_1[i]);
      for (k = 0; k < 10; k++) {
        if (str_2[k] == '3') {
          printf("%lld\n", str_1[i]);
          break;
        }
      }
    }
  }
  return 0;
}