#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void printL(auto a){
  cout << a << endl;
}

void L(){
  cout << endl;
}

void Nabe(ll i){
  string S = to_string(i);
  if((int)S.find("3") != -1 or i%3 == 0){
    cout << i << endl;
  }
}

int main(){
  ll A, B; cin >> A >> B;
  for(ll i = A; i <= B; i++){
    Nabe(i);
  }
}