import urllib.request
import operator
from random import choice
from math import log2

MESSAGE_SIZE = 99999

link = input()
if ("http" in link):
    page = str(urllib.request.urlopen(link).read())[MESSAGE_SIZE]
elif (".txt" in link):
    page = open(file = link).read()[:MESSAGE_SIZE]
elif ("rus" in link):
    leters = "йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ"
    page = ''.join(choice(leters) for i in range(MESSAGE_SIZE))
elif ("ukr" in link):
    leters = "йцукенгшщзхїфівапролджєячсмитьбюЙЦУКЕНГШЩЗХЇФІВАПРОЛДЖЄЯЧСМИТЬБЮ"
    page = ''.join(choice(leters) for i in range(MESSAGE_SIZE))
elif ("eng" in link):
    leters = "pyfgcrlaoeuidhtnsqjkxbmwvzPYFGCRLAOEUIDHTNSQJKXBMWVZ"
    page = ''.join(choice(leters) for i in range(MESSAGE_SIZE))


m = {}
for i in page:
    try:
        m[i] = m[i] + 1
    except:
        m[i] = 1

size_of_info = 0
for key, value in sorted(m.items(), key=operator.itemgetter(1)):
    print(key + " - " + str(value/len(page)))
    size_of_info += value * log2(value)

print("Size of info on page: {0}".format(size_of_info))