#include <bits/stdc++.h>
using namespace std;

#define rep(i, n) for( int i = 0; i < n; i++ )
using ll = long long;

int main() {
	int N;
	string s;
	cin >> N >> s;
	if(N % 2) {
		cout << "No" << endl;
		return 0;
	}
	cout << "Yes" << endl;
	string p, q;
	rep(i, N) {
		if(i % 2) q += s[i];
		else p += s[i];
	}
	cout << p << " " << q << endl;
}