s1 = input()
s2 = input()
s3 = input()
lst = [s1,s2,s3]
check = ["#.#", ".#."]
f = 0
flag = True

for d in lst:
    if check[f] != d:
        flag = False
    f ^= 1

if flag:
    print("Yes")
    exit()

f = 1
flag = True
for d in lst:
    if check[f] != d:
        flag = False
    f ^= 1

if flag:
    print("Yes")
else:
    print("No")