#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N; cin >> N;
    if(N%2) cout << "No\n";
    else{
        cout << "Yes\n";
        string s; cin >> s;
        string a = "",b = "";
        for(int i=0; i<s.size(); i+=2){
            a += s.at(i); b += s.at(i+1);
        }
        cout << a << " " << b << endl;
    }
}