L=[]
for i in range(200):
    L.append(list(map(int,input().split())))
print(L)
print(len(L))
sasiedzi=0
for y in range(200):
    for x in range(320):
        pos=0
        if 0<x and abs(L[y][x]-L[y][x-1]) > 128: pos=1
        if x<319 and abs(L[y][x]-L[y][x+1]) > 128: pos=1
        if 0<y and abs(L[y][x]-L[y-1][x]) > 128: pos=1
        if y <199 and abs(L[y][x]-L[y+1][x]) > 128: pos=1
        sasiedzi+=pos
print(sasiedzi)