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