#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (ll)(n); i++)
#define all(a) (a).begin(), (a).end()
using ll = long long;
const int INF32 = 2e9;
const ll INF64 = 4e18;

int main() {
    int N;
    string S;
    cin >> N >> S;
    if(N%2){
        cout << "No" << endl;
        return 0;
    }
    cout << "Yes" << endl;
    string P="", Q="";
    rep(i,N){
        if(!(i%2))P+=S[i];
        else Q+=S[i];
    }
    cout << P << " " << Q << endl;
    return 0;
}