from sys import stdin

def rot(a):
	return [list(t) for t in zip(*a[::-1])]

def flatten(a):
	return sum(vis, [])

grid = [[int(c) for c in line.strip()] for line in stdin]
vis = [[0 for _ in a] for a in grid]

for _ in range(4):
	for trees, to in zip(grid, vis):
		highest = -1
		for i in range(len(trees)):
			if highest < trees[i]:
				highest = trees[i]
				to[i] += 1
	grid = rot(grid)
	vis = rot(vis)

print(len([c for c in flatten(vis) if c > 0]))