def main():
	N = int(input())
	S = input()
	
	ans = 'No'
	s, t = '', ''
	if N % 2 == 0:
		ans = 'Yes'
		for i in range(N):
			if i % 2 == 0:
				s += S[i]
			else:
				t += S[i]
	
	print(ans)
	if ans == 'Yes':
		print(s + ' ' + t)

if __name__ == '__main__':
	main()