# include <iostream>
# include <iomanip>
# include <algorithm>

using namespace std;


int main()
{
    int n;
    string s;
    cin >> n >> s;
    string ans1 = "", ans2 = "";

    if (n%2 == 0) {
        cout << "Yes" << endl;
        for (int i = 0; i < s.length()/2 ; i++) {
            ans1 = ans1 + s[i*2];
            ans2 = ans2 + s[i*2 + 1];
        }
        cout << ans1 << " " << ans2 << endl;
    }else {
        cout << "No" << endl;
    }

}