A = [input() for _ in range(8)]
from itertools import product as P
t = 0
for pro in P(range(8), repeat = 7):
    lst = [int(A[0][i]) for i in range(8)]
    for i in range(7):
        for j in range(8):
            lst[(j+pro[i])%8] -= int(A[i+1][j])
    if max(lst) == 0 and min(lst) == 0:
        t = 1
if t:
    print("Yes")
else:
    print("No")