#!/usr/bin/env python3

import sys
import numpy as np


if __name__ == '__main__':
    lines = open(sys.argv[1]).read()
    elves = [sum([int(i.strip('\n')) for i in line.split('\n')]) for line in lines.split('\n\n')[:-1]]

    # challenge 1
    res1 = str(max(elves))
    print("challenge 1:" + "\n" +  res1 + "\n")

    # challenge 2
    sorted_elves = sorted(elves, reverse = True)
    cals = sorted_elves[0] + sorted_elves[1] + sorted_elves[2]
    res2 = str(cals)
    print("challenge 2:" + "\n" +  res2 + "\n")