from itertools import product

A = [[int(x) for x in input()] for i in range(8)]

#え～～

for P in product(range(8), repeat = 7):
    now = A[0][:]
    for i in range(7):
        for j in range(8):
            now[j] -= A[i+1][(j+P[i])%8]
    ok = (max(now) == 0 and min(now) == 0)
    if ok:
        exit(print("Yes"))
print("No")