import re lines = [l for l in open("input.txt", 'r').read().splitlines()] summa, summa2, do = 0, 0, True for l in lines: x2 = [i.span() for i in re.finditer(r"mul\([0-9]{1,3},[0-9]{1,3}\)|do\(\)|don't\(\)", l)] for start,end in x2: if l[start:end] == 'do()': do = True elif l[start:end] == 'don\'t()': do = False elif do: tup = l[start:end].split(',') prod = int(tup[0][4:]) * int(tup[1][:-1]) summa2 += prod summa += prod else : tup = l[start:end].split(',') summa += int(tup[0][4:]) * int(tup[1][:-1]) print(summa) print(summa2)