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