#!/usr/bin/env python3


import functools
import re
import sys

input_file = sys.argv[1]

with open(input_file) as fd:
    lines = [line.rstrip() for line in fd.readlines()]

vec = tuple[int, int]
poss: list[vec] = list()
vits: list[vec] = list()

for line in lines:
    match = re.findall(r"(-?\d+)", line)
    assert match
    pos = int(match[0]), int(match[1])
    vit = int(match[2]), int(match[3])
    poss.append(pos)
    vits.append(vit)

print(poss, vits)


def print_poss(poss: list[vec]) -> None:
    viz = [[0] * width for _ in range(height)]
    for pos in poss:
        px, py = pos
        viz[py][px] += 1
    for line in viz:
        print("".join([(str(c) if c > 0 else ".") for c in line]))
    print()


# x→ y↓
if input_file == "input":
    width = 101
    height = 103
else:
    width = 11
    height = 7
if input_file == "demo1":
    secs = 5
else:
    secs = 100

print_poss(poss)

for s in range(secs):
    for r, vit in enumerate(vits):
        px, py = poss[r]
        px += vit[0]
        py += vit[1]
        while px >= width:
            px -= width
        while py >= height:
            py -= height
        while px < 0:
            px += width
        while py < 0:
            py += height
        poss[r] = px, py
    print(s)
    print_poss(poss)


half_width = width // 2
half_height = height // 2
# <<<<<|>>>>>
# <= first quadrant

quadrants = [0, 0, 0, 0]
for pos in poss:
    px, py = pos
    q = 0
    if px == half_width or py == half_height:
        continue
    if px > half_width:
        q += 1
    if py > half_height:
        q += 2
    quadrants[q] += 1

print(quadrants)
print(functools.reduce(int.__mul__, quadrants))