#include<iostream>
#include<vector>
using namespace std;

int main(){
	int N;
	string S;
	cin >> N >> S;
	if(N&1)
	{
		cout << "No" << endl;
		return 0;
	}

	string p,q;
	for(int i=0;i<N;++i)
	{
		if(i%2) q.push_back(S[i]);
		else p.push_back(S[i]);
	}

	cout << "Yes" << endl;
	cout << p << ' ' << q << endl;
}