/* -*- coding: utf-8 -*-
 *
 * 3036.cc:  No.3036 Nauclhlt蝙区枚蟄怜・ - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_N = 100000;

/* typedef */

/* global variables */

char s[MAX_N + 4];

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d%s", &n, s);

  if (n & 1) { puts("No"); return 0; }

  puts("Yes");
  for (int i = 0; i < n; i += 2) putchar(s[i]);
  putchar(' ');
  for (int i = 1; i < n; i += 2) putchar(s[i]);
  putchar('\n');

  return 0;
}