#include <iostream>
#include <algorithm>
using namespace std;

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

void solve(int a, int b){
  for(int i = a; i <= b; i++){
    if(i % 3 == 0 || doesHaveThree(i))
      cout << i << endl;
  }
}

int main(){
  int A, B;
  cin >> A >> B;
  solve(A, B);
}