#!/usr/bin/env python3

import sys

def show_crt(crt):
    pixels = ''
    for x in range(240):
        p = '#' if crt[x] == 1 else '.'
        pixels = pixels + p
        if (x % 40)  == 39: 
            print(pixels)
            pixels = ''

if __name__ == '__main__':
    ops = [tuple(line.strip('\n').split(' ')) for line in open(sys.argv[1])]
    reg = 1
    cycle = 1
    strength = 0
    crt = [0] * 240

    for op in ops:
        if (cycle % 40) == 20: strength = strength + reg * cycle
        if (cycle % 40) in [reg,reg+1,reg+2]: crt[cycle-1] = 1

        if op[0] == 'noop': cycle = cycle + 1
        else:
            cycle = cycle + 1
            if (cycle % 40) == 20: strength = strength + reg * cycle
            if (cycle % 40) in [reg,reg+1,reg+2]: crt[cycle-1] = 1
            cycle = cycle + 1
            reg = reg + int(op[1])

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

    # challenge 2
    print("challenge 2:" + "\n")
    show_crt(crt)