#include<iostream>
using namespace std;
int N;
string S;
int main()
{
	cin>>N>>S;
	if(N%2)cout<<"No"<<endl;
	else
	{
		cout<<"Yes"<<endl;
		for(int i=0;i<N;i+=2)cout<<S[i];
		cout<<" ";
		for(int i=1;i<N;i+=2)cout<<S[i];
		cout<<endl;
	}
}