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

int main() {
    int n;
    string s;
    cin >> n >> s;

    if(n % 2 == 1){
        cout<<"No"<<endl;
        return 0;
    }
    
    string a = "", b = "";
    for(int i=0;i<n;i++){
        if(i%2 == 0) a += s[i];
        else b += s[i];
    }
    cout<<"Yes"<<endl;
    cout<<a<<' '<<b<<endl;
}