#include <iostream>
using  namespace std;
int function(int i) {
    int x;
    int y = i;
    int sum = 0;
        while(y != 0)
        {
            x = y % 10;
            y = y / 10;
            sum = sum + x;
        }
    return sum;
}
int main() {
    int a;
    cin >> a;
    int b;
    cin >> b;
    int sum;
    for (int i = a; i <= b; i++)
    {
        sum = function(i);
        if (sum % 3 == 0)
        {
            cout << i << " ";
        }
    }

    return 0;
}