Ticket Combination

#include <iostream>

using namespace std;

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

    for (char a = 'B'; a <= 'L'; a += 2) {
        for (char b = 'f'; b >= 'a'; b--) {
            for (char c = 'A'; c <= 'C'; c++) {
                for (int d = 1; d <= 10; d++) {
                    for (int e = 10; e > 0; e--) {
                        if (--n == 0) {
                            cout << "Ticket combination: " << a << b << c << d << e << endl
                                << "Prize: " << a + b + c + d + e << " lv.\n";
                            return 0;
                        }
                    }
                }
            }
        }
    }
    return 0;
}