#include <bits/stdc++.h>

using namespace std;

bool check(int x) {
  int sum = 0;
  while (x) {
    sum += x % 10;
    if (x % 10 == 3) return true;
    x /= 10;
  }
  return sum % 3 == 0;
}

int main(void) {
  int a, b;
  cin >> a >> b;

  for (int i = a; i <= b; i++) {
    if (!check(i)) continue;
    cout << i << endl;
  }

  return 0;
}