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]))