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

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

int main(){
	int N;cin>>N;
	string S;cin>>S;

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