#!/usr/bin/python

sol = 0
inputfile = open("input.txt", "r")
lines = inputfile.readlines()
nums = {}
gears = {}
numindex = 0
for line in range(len(lines)):
    tempnums = {}
    tempnum = ""
    tempindex = -1
    tempgears = {}
    for index in range(len(lines[line])):
        tempchar = lines[line][index]
        if tempchar.isdigit():
            tempnum += tempchar
            if tempindex < 0:
                tempindex = index
        else:
            if tempnum != "" and tempindex >= 0 :
                for i in range(tempindex, index):
                    tempnums[i] = (numindex, tempnum)
                tempnum = ""
                tempindex = -1
                numindex += 1
            if tempchar == '*':
                tempgears[index] = (line, index)
    if tempnum != "" and tempindex >= 0:
        for i in range(tempindex, index):
            tempnums[i] = (numindex, tempnum)
    nums[line] = tempnums
    gears[line] = tempgears
for ykey in gears:
    for xkey in gears[ykey]:
        neighlist = {}
        startx = xkey - 1
        endx = xkey + 1
        starty = ykey - 1
        endy = ykey + 1
        for y in range(starty, endy + 1):
            for x in range(startx, endx + 1):
                if y in nums and x in nums[y]:
                    if nums[y][x][0] not in neighlist:
                        neighlist[nums[y][x][0]] = nums[y][x][1]
        if len(neighlist) == 2:
            temp = 1
            for i in neighlist.values():
                temp *= int(i)
            sol += temp
print(sol)