#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    int N;
    string s;
    cin>>N>>s;
    if(N%2){
    	cout<<"No"<<endl;
    	return 0;
    }
    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;
}