N=int(input())
S=input()
if N%2==1:exit(print("No"))
ans1=[]
ans2=[]
for i in range(N):
    if i%2==0:
        ans1.append(S[i])
    else:
        ans2.append(S[i])
print("Yes")
print("".join(ans1),"".join(ans2))