#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll,ll> P;
typedef pair<P,ll> Q;
#define REP(i,n) for(ll i=0;i<ll(n);i++)










int main(void){
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
	ll i,j;



	ll n;
	string s;
	cin >> n >> s;


	if(n%2==1){
		cout << "No" << endl;
		return 0;
	}


	string a="",b="";
	REP(i,n){
		if(i%2==0) a+=s[i];
		else b+=s[i];
	}




	cout << "Yes" << endl;

	cout << a << ' ' << b << endl;




	return 0;
}