//yukicoder contest 458 B
#include <bits/stdc++.h>
using namespace std;

int main() {
    int N;
    string S;
    cin >> N >> S;
    if(N % 2) {cout << "No" << endl; return 0;}

    string P, Q;
    for(int i = 0; i < N; i ++) {
        if(i % 2) Q = Q + S[i];
        else      P = P + S[i];
    }

    cout << "Yes" << endl;
    cout << P << " " << Q << endl;
    return 0;
}