def solve(N, S):
	p = ''
	q = ''
	for i in range(N):
		if i % 2 == 0:
			p += S[i]
		else:
			q += S[i]
	return p, q

N = int(input())
if N % 2 == 1:
	print('No')
else:
	print('Yes')
	S = input()
	print(*solve(N, S))