#!/usr/bin/python3
#
# This program reads a text file from the standard input and prints
# the list of all the words in the text file, each followed by the
# number of times the word occurs in the text.  Words in the input are
# the maximal-length sequences of alphabetic characters (e.g., a-z).
# So, a word does not include spaces or punctuation characters.
#
import sys
import string

def line_to_words(line):
    words = []
    w = ''

    for c in line:
        if c.isalpha():
            w += c
        else:
            if not w == '':
                words.append(w)
                w = ''
    if not w == '':
        words.append(w)

    return words

freqs = {}
for line in sys.stdin:
    for word in line_to_words(line):
        if word in freqs:
            freqs[word] = freqs[word] + 1
        else:
            freqs[word] = 1

for c, f in freqs.items():
    print(c, f)