#!/usr/bin/env python
# 2023 - Advent Of Code 6 - part 2

import re

#file = 'input_example.txt'
file = 'input.txt'

races = []

with open(file, encoding="utf-8") as f:
    times = re.findall(r"\s+(\d+)+\s?", f.readline())
    distances = re.findall(r"\s+(\d+)+\s?", f.readline())
    big_time = int("".join(times))
    print(big_time)
    big_dist = int("".join(distances))
    print(big_dist)

res = 1
count = 0
for tpress in range(1, big_time):
    nb = tpress * (big_time - tpress)
    if nb > big_dist:
        count += 1
    # print(f'{tpress}: {nb}')
print(count)