Function main

Codeforces_problems/Drazil and Factorial/solution.cpp:23–37

using namespace std;
 
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int digits;
	string str , res;
	cin >> digits;
	cin >> str;
	vector <string> vect{"","","2","3","322","5","53","7","7222","7332"};
	for (int i = 0; i < digits; i++) {
		res += vect[str[i] - '0'];
	}
	sort(res.rbegin(), res.rend());
	cout << res << endl;
	return 0;
}