def is_prime(number):
    if number <= 1:
        return False
    elif number <= 3:
        return True
    elif (number % 2 == 0) | (number % 3 == 0):
        print('% 2 3 ', number)
        return False
    i = 5
    while i * i <= number:
        print('while i = ', i, i * i, ' <= ', number, '%', number % i)
        if number % i == 0 | number % (i + 2) == 0:
             print(number, 'false')
             return False
        i += 6
    return True


plik = open('pary_liczb.txt')
txt = plik.readline()
primes = 0;
while txt != '':
    number = 0
    for letter in txt:
        number += ord(letter)
    ##print(txt, number, is_prime(number))
    if (is_prime(number)):
        primes += 1
    txt = plik.readline();

print("Liczba wierszy, zawierających liczby pierwsze wynosi ", primes)
plik.close()