n = int(input())
s = input()

if n % 2 == 1:
    print("No")
    exit()

p = []
q = []
for i in range(n):
    if i % 2 == 0:
        p.append(s[i])
    else:
        q.append(s[i])

print("Yes")

print("".join(p), "".join(q))