#include <bits/stdc++.h>
using namespace std;
#define REP(i,N) for(i=0;i<N;i++)
typedef long long ll;
typedef pair<int, int> P;
typedef struct{
  int first;
  int second;
  int third;
}T;

//昇順
bool comp_Se(T& l, T& r){
  return l.second < r.second;
}

bool number3(ll n){
  while(n!=0){
    if(n%10 == 3) return true;
    n/=10;
  }
  return false;
}

int main(void){
  ll A,B;
  cin >> A >> B;
  for(ll i = A; i<=B;i++){
    if(i%3==0 || number3(i))cout << i <<endl;
  }
  return 0;
}