#!/usr/bin/env python3

import sys
from copy import deepcopy

def sim(lf, days):
    nf = {}
    for i in range(days):
        for k,v in lf.items():
            if k == 7:
                nf[6] = (nf[6] + v) if 6 in nf else v
            elif k == 6:
                nf[5] = v
            elif k == 0:
                nf[8] = v
                nf[6] = (nf[6] + v) if 6 in nf else v
            else:
                nf[k-1] = v
        lf = deepcopy(nf)
        nf = {}
    return sum(lf.values())

if __name__ == '__main__':
    lines = open(sys.argv[1]).read().strip('\n\n').split('\n') # or split \n\n or sth similar
    nums = [int(i) for i in lines[0].split(",")]

    lf1 = {}
    
    lf1[6] = 0
    lf1[7] = 0
    lf1[8] = 0

    for n in nums:
        if n not in lf1:
            lf1[n] = 1
        else:
            lf1[n] += 1

    lf2 = deepcopy(lf1)
        
        

    # challenge 1
    res1 = str(sim(lf1, 80))
    print("challenge 1:" +"\n" +  res1 + "\n")

    # challenge 2
    res2 = str(sim(lf2, 256))
    print("challenge 2:" +"\n" +  res2 + "\n")