#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

void solve() {
  ll n;
  string s;
  cin >> n >> s;
  if (n % 2) {
    cout << "No\n";
    return;
  }
  cout << "Yes\n";
  string p, q;
  rep(i, n) {
    if (i % 2 == 0) {
      p.push_back(s[i]);
    } else {
      q.push_back(s[i]);
    }
  }
  cout << p << ' ' << q << '\n';
}

int main() {
  std::cin.tie(nullptr);
  std::ios_base::sync_with_stdio(false);
  int T = 1;
  for (int t = 0; t < T; t++) {
    solve();
  }
  return 0;
}