import sys
import string
import re

def wordcount(text, _debug=0):

    wordcount = 0
    words = {}
    sentencecount = 0

    # Normalize white space
    text = re.sub(r'\s+', ' ', text)

    # What is a sentence? 
    endofsentence = re.compile(r'\?|\.|\!')    
    
    sentences = endofsentence.split(text)
    sentences = [ sentence.strip() for sentence in sentences if sentence.strip()]

    sentencesep = endofsentence.findall(text)
    if len(sentences) != len(sentencesep):
        if _debug: print "Sentence seperators do not equal number of sentences"
    # Put the seperators back
    sentences = [x+y for (x,y) in zip(sentences, sentencesep)]

    for sentence in sentences:

        sentencecount += 1
        if _debug: print sentencecount, ':', repr(sentence)

        # split the string into a list of words
        # a word is delimited by whitespace or punctuation
                #"[.,:;?! \t\n]+" , # this is the regex used in my perl version

        for word in re.split(
                "[" + string.whitespace + string.punctuation + "]+" ,
                sentence ) :

            # make the word lower case
            word = string.lower( word )

            # check to make sure the string is considered a word
            if word.isalpha():
                wordcount += 1

                # if the word has been found before, increment its count
                # otherwise initialize its count to 1
                if words.has_key( word ) :
                    words[ word ] += 1
                else :
                    words[ word ] = 1

    # Now print out the results of the count:
    if _debug: print "Total word count:" , wordcount

    # print each word and its count in sorted order
    sorted_word_list = words.keys()
    sorted_word_list.sort()

    if _debug: 
        for word in sorted_word_list :
            print word , ":" , words[ word ],

    return sentencecount, words

if __name__ == '__main__':                                                                                                                                                
    import sys
    wordcount(sys.stdin.read(), 1)