#include <vector>
#include <iostream>
#include <string>
#include <ostream>
#include <map>
#include <set>
#include <bitset>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <list>
#define rep(i, n) for (int i = 0; i < (n); i++)
using namespace std;

int main()
{
    int n;
    string s;
    cin >> n >> s;
    if (n % 2 == 1)
    {
        cout << "No" << endl;
    }
    else
    {
        cout << "Yes" << endl;
        for(int i=0;i<n;i+=2){
            cout << s[i];
        }
        cout << " ";
        for(int i=1;i<n;i+=2){
            cout << s[i];
        }
    }
}