import sys

def isVisible(lines, row, col):
    scenic = 1
    score = [1,2,3,4]
    score[0] = [x[col] < lines[row][col] for x in lines[:row][::-1]]
    score[1] = [x[col] < lines[row][col] for x in lines[row+1:]]
    score[2] = [x < lines[row][col] for x in lines[row][:col][::-1]]
    score[3] = [x < lines[row][col] for x in lines[row][col+1:]]


    for a in score:
        # print(a)
        dist = 0
        if (len(a) == 0):
            dist = 0
        elif (all(a)):
            dist = len(a)
        else:
            dist = a.index(False) + 1
        # print(dist)
        scenic *= dist

    print(row, col, "|", scenic)
    return scenic

with open(sys.argv[1], "r") as file:
    lines = file.readlines()
    for a in range(len(lines)):
        lines[a] = lines[a].rstrip()
        # a = a.rstrip()

    best=0
    for row in range(len(lines)):
        for col in range(len(lines[0])):
            # print(lines[row][col], end="")
            yes = isVisible(lines, row, col)
            best = max(best, yes)

    print(best)