#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cmath>
#include <iostream>
#include <queue>
#include <list>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;

bool inc3(ll x){
  stringstream ss;
  ss << x;
  string str = ss.str();
  rep(i,str.length()){
    if(str[i] == '3') return true;
  }
  return false;
}

int main(){
  ll A, B;
  cin >> A >> B;
  for(ll i=A; i<=B; i++){
    if(i%3==0 || inc3(i)){
      cout << i << endl;
    }
  }
  return 0;
}