using System.Text;

int N = int.Parse(Console.ReadLine());
string S = Console.ReadLine();
if (N % 2 == 1)
{
	Console.WriteLine("No");
	return;
}

StringBuilder p = new();
StringBuilder q = new();
for (int i = 0; i < N; i++)
{
	if (i % 2 == 0)
	{
		p.Append(S[i]);
	}
	else
	{
		q.Append(S[i]);
	}
}

Console.WriteLine("Yes");
Console.WriteLine(p + " " + q);