#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <queue>
#include <cmath>
#include <climits>
#include <iomanip>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
int main(){
    ll a,b;
    cin >> a >> b;
    for(int i = a;i <= b;i++){
        bool now = false;
        if(i % 3 == 0)now = true;
        string s = to_string(i);
        for(int j = 0;j < (int)s.size();j++){
            if(s[j] == '3')now = true;
        }
        if(now)cout << now << endl;
    }
}