n=int(input())
s=list(input())
if n%2:
	print("No")
else:
	print("Yes")
	v=[]
	x=[]
	for i in range(n):
		if i%2:
			x.append(s[i])
		else:
			v.append(s[i])
	print("".join(v),"".join(x))