N=int(input())
if N%2==0:
  print('Yes')
  A=[];B=[]
  S=input()
  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')