#!/usr/bin/env python

TGRID = [] # heights
VGRID = [] # visibility

def check_visible(x, y, xr, yr):
    target = TGRID[y][x]
    for y in yr:
        for x in xr:
            if TGRID[y][x] >= target:
                return False
    return True

with open('input') as f:
    for line in f:
        l = []
        for tree in line.rstrip():
            l.append(int(tree))
        TGRID.append(l)

max_y = len(TGRID)
for y in range(0, max_y):
    max_x = len(TGRID[y])
    l = []
    for x in range(0, max_x):
        l.append(
            check_visible(x, y, range(0, x), range(y, y+1)) or # left to right
            check_visible(x, y, range(x, x+1), range(0, y)) or # top to bottom
            check_visible(x, y, range(max_x-1, x, -1), range(y, y+1)) or # right to left
            check_visible(x, y, range(x, x+1), range(max_y-1, y, -1)) # bottom to top
        )
    VGRID.append(l)

count = 0
for row in VGRID:
    for col in row:
        if col:
            count = count + 1

print(count)