import math import heapq import itertools import bisect import random import time from collections import deque import sys from cmath import exp,pi from functools import cmp_to_key input=sys.stdin.readline n=int(input()) s=list(input().rstrip()) if n%2==1: print('No') else: print('Yes') print(''.join(s[::2]),''.join(s[1::2]))