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

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl

ll ctoi(char c){
    return c - '0';
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll A, B;
    cin >> A >> B;

    FOR(i, A, B+1){
        string s = to_string(i);

        bool is_ok = false;
        ll sum = 0;
        for(char c : s){
            if(c=='3'){
                is_ok = true;
            }
            sum += ctoi(c);
        }
        if(sum%3==0){
            is_ok = true;
        }
        
        if(is_ok){
            p(i);
        }
    }
    
    return 0;
}