#include <iostream>
using namespace std;

int main() {
    int A, B;
    cin >> A >> B;
    for(int k=A; k<=B; k++) {
        int a = k%10;
        int b = (k/10)%10;
        int c = (k/100)%10;
        int d = (k/1000)%10;
        int e = (k/10000)%10;
        int f = (k/100000)%10;
        int g = (k/1000000)%10;
        int h = (k/10000000)%10;
        int i = (k/100000000)%10;
        int j = (k/1000000000)%10;
        if(k%3==0){
            cout << k << endl;
        } else if(a==3||b==3||c==3||d==3||e==3||f==3||g==3||h==3||i==3||j==3){
            cout << k << endl;
        }
    }
    return 0;
}