#include <cstdio>
#include <iostream>
#include <string>
#include <sstream>
#include <stack>
#include <algorithm>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <cstdlib>
#include <bitset>
#include <tuple>
#include <assert.h>
#include <deque>
#include <bitset>
#include <iomanip>
#include <limits>
#include <chrono>
#include <random>
#include <array>
#include <unordered_map>
#include <functional>
#include <complex>
#include <numeric>
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
//constexpr long long MAX = 5100000;
constexpr long long INF = 1LL << 60;
constexpr int inf = 1000000007;
constexpr long long mod = 1000000007LL;
//constexpr long long mod = 998244353LL;
const long double PI = acos((long double)(-1));

using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;


bool c(ll x) {
    if (x % 3 == 0) return true;
    string s = to_string(x);
    for (int i = 0; i < s.size(); i++) if (s[i] == '3') return true;
    return false;
}
int main()
{
    /*
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    */
    ll a, b; cin >> a >> b;
    for (ll i = a; i <= b; i++) {
        if (c(i)) printf("%lld\n", i);
    }
    return 0;
}