#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <fstream>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>
#include <numeric>
#include <iterator>

typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;





int main()
{

    int Q;
    Q = 1;
    //cin >> Q;


    while (Q--) {
        ll x, y;
        cin >> x >> y;
        
        for (ll i = x; i <= y; i++) {
            bool f = 0;
            if (i % 3 == 0)f = 1;
            ll t = i;
            while (t) {
                if (t % 10 == 3)f = 1;
                t /= 10;
            }
            if (f)cout << i << endl;
        }
    }
    return 0;
}