#include <bits/stdc++.h>
using namespace std;

#define rep(i,n) for(int i=0;i<(n);++i)
#define loop for(;;)
#define trace(var) cerr<<">>> "<<#var<<" = "<<var<<endl;
#define inf (1e9)
#define eps (1e-9)
using Integer = long long;
using Real = long double;
const Real PI = acos(-1);

template<class S, class T> inline
ostream& operator<<(ostream&os, pair<S,T> p) {
  return os << '(' << p.first << ", " << p.second << ')';
}

template<class S, class T, class U> inline
ostream& operator<<(ostream&os, tuple<S,T,U> t) {
  return os << '('
    << get<0>(t) << ", "
    << get<1>(t) << ", "
    << get<2>(t) << ')';
}

template<class T> inline
ostream& operator<<(ostream&os, vector<T> v) {
  if (v.size() == 0) { return os << "(empty)"; }
  os << v[0];
  for (int i=1, len=v.size(); i<len; ++i) os << ' ' << v[i];
  return os;
}

template<class T> inline
istream& operator>>(istream&is, vector<T>&v) {
  rep (i, v.size()) is >> v[i];
  return is;
}

int dx[] = { -1, 0, 1, 0 };
int dy[] = {  0, -1, 0, 1 };

using vi = vector<int>;
using vvi = vector<vi>;
int main() {
  cin.tie(0);
  ios::sync_with_stdio(0);
  cout.setf(ios::fixed);
  cout.precision(10);
  random_device dev;
  mt19937 rand(dev());

  Integer a, b; cin >> a >> b;
  for (; a <= b; ++a) {
    bool t = a % 3 == 0;
    if (not t) {
      Integer c = a;
      while (c > 0) {
        if (c % 10 == 3) {
          t = true;
          break;
        }
        c /= 10;
      }
    }
    if (t) {
      cout << a << endl;
    }
  }

  return 0;
}