#include <bits/stdc++.h>
using namespace std;
int main() {
    int n;
    string s;
    cin >> n >> s;

    string p = "", q = "";
    for (int i = 0; i < n; i++) {
        if (i % 2 == 0) p += s[i];
        else q += s[i];
    }

    if ((int)p.size() == (int)q.size()) {
        cout << "Yes" << endl;
        cout << p << ' ' << q << endl;
    } else {
        cout << "No" << endl;
    }
    return 0;
}