Контрольная. Задание 1

def can_parse(s):
    return s != "0"

def get_end_month(s):
    return int(s.split()[-1])

if __name__ == "__main__":
    m = int(input())
    months = []

    while True:
        line = input()
        if line == "0": break
        months.append(get_end_month(line))

    print(len(tuple(filter(
        lambda month: month == m,
        months
    ))))