python/LuoGu/RuMen/P1151.cpp

#include<iostream>

using namespace std;

int main() {
    int K;
    cin >> K;

    int count = 0;
    for (int i = 10000; i <= 30000; i++) {
        int sub1 = i / 100;
        int sub2 = (i - i / 10000 * 10000) / 10;
        int sub3 = i % 1000;

        if (sub1 % K == 0 && sub2 % K == 0 && sub3 % K == 0) {
            cout << i << endl;
            count++;
        }
    }
    if (count == 0) {
        cout << "No" << endl;
    }

    return 0;
}