//实验3.4
#include <iostream>
using namespace std;

int main() {
    int a = 0;
    for (int b = 1; b <= 599; b++) {
        if (b % 3 == 0) {
            int c = b;
            bool d = false;
            while (c > 0) {
                if (c % 10 == 5) {
                    d = true;
                    break;
                }
                c /= 10;
            }
            if (d) {
                cout << b << " ";
                a++;
            }
        }
    }
    cout << endl << "共 " << a << " 个数" << endl;
    return 0;
}