import sys
input = sys.stdin.readline

N=int(input())
S=input().strip()

A=[]
B=[]

if N%2==0:
    print("Yes")

    for i in range(N):
        if i%2==0:
            A.append(S[i])
        else:
            B.append(S[i])

    print("".join(A),"".join(B))
else:
    print("No")