#!/usr/bin/env python3

import sys, re


def HASH(string):
    res = 0
    for a in string:
        res += ord(a)
        res = res * 17 % 256
    return res


if __name__ == '__main__':
    instr = open(sys.argv[1]).read().strip('\n').split(',')

    # challenge 1
    res1 = sum([HASH(a) for a in instr])
    
    boxes = {}
    for i in instr:
        label, op, focus = re.findall(r'(\w+)(\-|\=)(\d*)', i)[0]
        box = HASH(label)
        if not box in boxes.keys(): boxes[box] = []
        present = boxes[box]
        if op == '=':
            for i, lens in enumerate(present):
                if lens[0] == label: present[i] = (label, int(focus)) 
            if not (label, int(focus)) in present: present.append((label, int(focus)))
        elif op == '-':
            for i, lens in enumerate(present):
                if lens[0] == label:
                    present.remove(lens)
                    break

    res2 = 0
    for b, lenses in boxes.items():
        for i,l in enumerate(lenses):
            res2 += (b+1) * (i+1) * l[1]

    res1 = str(res1)
    print(f"challenge 1:\n{res1}\n")

    # challenge 2
    res2 = str(res2)
    print(f"challenge 2:\n{res2}\n")