n=int(input())
s=list(input())
if n%2==1:
    print("No")
    exit()
one=[]
two=[]
for i in range(n):
    if i%2==0:
        one.append(s[i])
    else:
        two.append(s[i])
print("Yes")
print("".join(one),end=" ")
print("".join(two))