#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(nullptr);
	int N;
	string S;
	cin >> N >> S;
	if(N & 1) {cout << "No\n";}
	else {
		cout << "Yes\n";
		string A = "", B = "";
		for(int i = 0; i < N; i += 2) A += S[i];
		for(int i = 1; i < N; i += 2) B += S[i];
		cout << A << " " << B << "\n";
	}
}