T=[set() for i in range(9)]
A=[input() for i in range(8)]
z=0
for i in range(8):
  z+=int(A[0][i])*10**(7-i)
T[0].add(z)
for i in range(7):
  for y in T[i]:
    z=str(y)
    if len(z)<8:
      z='0'*(8-len(z))+z
    v=[0]*8
    ans=True
    for j in range(8):
      v[j]=int(z[j])
    for j in range(8):
      c=0
      for k in range(8):
        d=v[(j+k)%8]-int(A[i+1][k])
        if d>=0:
          c+=d*10**(7-k)
        else:
          c=-10**10
      if c>=0:
        T[i+1].add(c)
if 0 in T[7]:
  print('Yes')
else:
  print('No')