#!/usr/bin/env python3
import fileinput
from pprint import pprint
from timeit import timeit

lines = list(fileinput.input())


def main():
    h = 0
    w = 0

    dots = set()
    folds = []
    part1 = 0
    for line in lines:
        line = str(line)
        if line[0].isdigit():
            x, y = (int(n) for n in line.split(","))
            h = max(x + 1, h)
            w = max(y + 1, w)
            dots.add((x, y))
        elif line[0] == "f":
            c, n = line.split("=")
            folds.append((c[-1], int(n)))

    for dir, pos in folds:
        folded = set()
        if dir == "y":
            for x, y in dots:
                if y > pos:
                    y2 = 2 * pos - y
                    folded.add((x, y2))
                else:
                    folded.add((x, y))
        else:
            for x, y in dots:
                if x > pos:
                    x2 = 2 * pos - x
                    folded.add((x2, y))
                else:
                    folded.add((x, y))
        dots = folded

        if part1 == 0:
            part1 = len(dots)

    xs, ys = zip(*dots)
    sheet = [[" "] * (max(xs) + 1) for _ in range(max(ys) + 1)]
    for x, y in dots:
        sheet[y][x] = "#"

    return part1, ["".join(row).replace("#", "█") for row in sheet]


if __name__ == "__main__":
    a, b = main()
    print("part 1:", a)
    print("part 2:")
    print("\n".join(b))

    print(f"{timeit(main, number=1000):.3f} ms")