#include <iostream>
#include <cstdint>
#include <array>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	
	uint32_t N, i;
	string S;
	cin >> N;
	S.reserve(N), cin >> S;

	if (N & 1)
	{
		cout << "No\n";
		return 0;
	}

	cout << "Yes\n";
	array<string, 2> T;
	T[0].reserve(N >> 1), T[1].reserve(N >> 1);
	for (i = 0; i != N; ++i)
		T[i & 1].push_back(S[i]);

	cout << T[0] << ' ' << T[1] << '\n';
	return 0;
}