#!/usr/bin/env python3

import sys

def printi(dots):
    st = ''
    for y in range(max(dots,key=lambda x: x[1])[1]+1):
        for x in range(max(dots,key=lambda x: x[0])[0]+1):
            if (x,y) in dots: st += '#'
            else: st += '.'
        print(st)
        st = ''

def fold(f, dots):
    ndots, c = set(), f[1]
    if f[0] == 'x': r = 0
    elif f[0] == 'y': r = 1
    for dot in dots:
        if dot[r] < c: ndots.add(dot)
        elif dot[r] > c: ndots.add([(c-(dot[0]-c),dot[1]), (dot[0],c-(dot[1]-c))][r])
    return ndots

if __name__ == '__main__':
    lines = open(sys.argv[1]).read().split('\n\n')
    dots = set([tuple(map(int, line.split(','))) for line in lines[0].split('\n')])
    folds = [i for i in map(lambda x: (x[0],int(x[1])), [tuple(line.strip('fold along ').split('=')) for line in lines[1].split('\n')[:-1]])]

    # challenge 1
    res1 = str(sum(1 for dot in fold(folds[0], dots)))
    print("challenge 1:" + "\n" +  res1 + "\n")

    # challenge 2
    for f in folds: dots = fold(f,dots)
    printi(dots)

    res2 = "read yourself please xD"
    print("challenge 2:" + "\n" +  res2 + "\n")