import sys


with open('encrypted_text', 'r') as file:
    mes = file.read()
alphabet = set('qwertyuiopasdfghjklzxcvbnm_')
key_len = 24
for step in range(0, key_len):
    possible = {i for i in range(0, 256)}
    for b in range(256):
        for index in range(step, len(mes), key_len):
            # print('b = {0}; {1}'.format(b, chr(ord(mes[index]) ^ b)))
            symbol = chr((ord(mes[index]) ^ b) % 256)
            if b in possible and symbol not in alphabet:
                possible.remove(b)
    print(len(possible))
    # for code in possible:
    #     print(chr(code), end=' ')
    # print()