panatale1

from datetime import datetime
from math import prod
calibrations = []
with open('input.txt', 'r') as infile:
    for line in infile.readlines():
        line = line.strip().split(':')
        val, line = int(line[0]), line[1]
        line = [int(x) for x in line.strip().split()]
        line.insert(0, val)
        calibrations.append(line)