fi = open("in.txt", "r")

lst = []
tempLi = []

for li in fi.readlines():
    if not li == "\n":
        tempLi.append(int(li))
    if li == "\n":
        lst.append(tempLi)
        tempLi = []

su = map(sum, lst)
print(f"part 1: {max(su)}")

sumList = [num for num in map(sum, lst)]
sumList.sort(reverse=True)
print(f"part 2: {sumList[0] + sumList[1] + sumList[2]}")