#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
using namespace std;

typedef long long LL;

int main(){
    LL A, B;
    cin >> A >> B;
    for(LL i = A; i <= B; i++){
        bool flag = (i % 3 == 0);
        LL n = i;
        while(n > 0){
            if(n % 10 == 3){
                flag = true;
                break;
            }
            n /= 10;
        }
        if(flag) cout << i << endl;
    }
    return 0;
}