#include <iostream>
#include <algorithm>

using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  while (a<=b) {
    string c=to_string(a);
    if (a%3==0 || count(c.begin(), c.end(), '3')>0) {
      cout << a << endl;
    } 
    a++;
  }
  return 0;
}