using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    static long[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var s = ReadLine();
        if (n % 2 == 0)
        {
            var a = new char[n / 2];
            var b = new char[n / 2];
            for (var i = 0; i < n; i += 2)
            {
                a[i / 2] = s[i];
                b[i / 2] = s[i + 1];
            }
            WriteLine($"Yes\n{string.Concat(a)} {string.Concat(b)}");
        }
        else WriteLine("No");
    }
}