a=[list(map(int,input())) for i in range(8)]

def f():
  if len(q)==8:
    b=[0]*8
    for i in range(1,8):
      for j in range(8):
        b[j]+=a[i][(q[i]+j)%8]
    if b==a[0]:
      print("Yes")
      exit()
    return
  for i in range(8):
    q.append(i)
    f()
    q.pop()
  return

q=[0]
f()

print("No")