/* -*- coding: utf-8 -*-
 *
 * 207.cc: No.207 世界のなんとか - 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 */

/* global variables */

/* subroutines */

bool cont3(int n) {
  while (n > 0) {
    if (n % 10 == 3) return true;
    n /= 10;
  }
  return false;
}

/* main */

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

  for (int n = a; n <= b; n++) {
    if (n % 3 == 0 || cont3(n)) printf("%d\n", n);
  }
  return 0;
}