numbers = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "hoppasfanintedenhärstringenfinnsiinputfilen",
			"one", "two", "three", "four", "five", "six", "seven", "eight", "nine"] 
file = open("./input", "r")
sum = 0

for line in file:
	first = 999999
	last = i = 0
	index = [0, 0]
	for number in numbers:
		if (line.find(number)) != -1:
			if (first := min(line.find(number), first)) is line.find(number):
				index[0] = i
			if (last := max(line.rfind(number), last)) is line.rfind(number):
				index[1] = i
		i += 1

	sum += (index[0] % 10) * 10 + index[1] % 10

print(sum)