A = [list(map(int,list(input()))) for _ in range(8)]

def f(n):
    if(n == 8):
        if(A[0] == [0]*8):
            print("Yes")
            exit()
        return
    for shift in range(8):
        A[n] = A[n][shift:] + A[n][:shift]
        
        for i in range(8):A[0][i] -= A[n][i]
        if(-1 in A[0]):
            for i in range(8):A[0][i] += A[n][i]
            continue

        f(n+1)

        for i in range(8):A[0][i] += A[n][i] 

f(1)
print("No")