#include <iostream> using namespace std; bool IsFive(int num){ while(num != 0) { int ones_place = num % 10; if (ones_place == 5) { return true; } num = num / 10; } return false; } int main() { int num; cin >> num; for (int i = 1; i <= num; i++) { if (i % 3 == 0 && IsFive(i)) { cout << i << endl; } } return 0; }