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