def readFile() :
	ary = []
	with open("files/Problem2.txt", "r") as file :
		content = file.read()
		ary = content.split(",")
	return ary

def isInvalid(startNum: str, endNum: str) :
	foundNums = []
	for num in range(startNum, endNum + 1) :
		numStr = str(num)
		if len(numStr) % 2 == 0 :
			part1 = numStr[0:int(len(numStr) / 2)]
			part2 = numStr[int(len(numStr) / 2):]
			if part1 == part2 :
				foundNums.append(num)
	return foundNums



testArray = [
	"11-22",
	"95-115",
	"998-1012",
	"1188511880-1188511890",
	"222220-222224",
	"1698522-1698528",
	"446443-446449",
	"38593856-38593862",
	"565653-565659",
	"824824821-824824827",
	"2121212118-2121212124"
]

#inputArray = testArray
inputArray = readFile()
results = []
for values in inputArray :
	valueArray = values.split("-")
	results.extend(isInvalid(int(valueArray[0]), int(valueArray[1])))
print(f"Sum = {sum(results)}")

#Sum = 19574776074