#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n;
  string s;
  cin >> n >> s;
  if (n % 2 == 1) {
    cout << "No" << '\n';
  }
  else {
    string a = "", b = "";
    rep(i, n / 2) {
      a += s[2 * i];
      b += s[2 * i + 1];
    }
    cout << "Yes" << '\n';
    cout << a << ' ' << b << '\n';
  }
  return 0;
}