n = int(input())
S = input()
if n % 2 == 1:
    print("No")
else:
    print("Yes")
    A = []
    B = []
    for i, s in enumerate(S):
        if i % 2 == 0:
            A.append(s)
        else:
            B.append(s)

    print("".join(A), "".join(B))