#include<iostream>

using namespace std;
using ll = long long;

bool nabeatsu(ll a){
    while(a > 0){
        if(a % 10 == 3) return true;
        else{
            a /= 10;
        }
    }
    return false;
}

int main(){
    ll a,b;
    cin >> a >> b;
    
    for(ll i=a;i <= b;i++){
        if(i % 3 == 0 || i % 10 == 3 || nabeatsu(i)){
            cout << i << endl;
        }
    }
    return 0;
}