O=print
L=range(8)
A=[[int(s)for s in input()]for i in L]
def U(t,a,i):
	return[t[(j+a)&7]-A[i][j]for j in L]
def N(t):
	return any(t[j]<0for j in L)
for a in L:
	t=U(A[0],a,1)
	if N(t):continue
	for b in L:
		u=U(t,b,2)
		if N(u):continue
		for c in L:
			v=U(u,c,3)
			if N(v):continue
			for d in L:
				w=U(v,d,4)
				if N(w):continue
				for e in L:
					x=U(w,e,5)
					if N(x):continue
					for f in L:
						y=U(x,f,6)
						if N(y):continue
						for g in L:
							if U(y,g,7)==[0]*8:exit(O("Yes"))
O("No")