#include<bits/stdc++.h>
using namespace std;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int N;
    string S;
    cin>>N>>S;
    if(N%2==0){
        cout<<"Yes"<<endl;
        for(int i=0;i<N/2;i++)cout<<S[i*2];
        cout<<" ";
        for(int i=0;i<N/2;i++)cout<<S[i*2+1];
        cout<<endl;
    }
    else{
        cout<<"No"<<endl;
    }

}