#include <bits/stdc++.h> using namespace std; int main () { int N; cin >> N; string s; cin >> s; if (N & 1) { puts("No"); return 0; } else { puts("Yes"); } string a[2]; for (int i = 0; i < N; i ++) { a[i & 1] += s[i]; } cout << a[0] << " " << a[1] << endl; }