#!/usr/local/bin/python

import sys

f = open(sys.argv[1])

count = dict()

for l in f:
    for w in l.lower().split():
        count[w] = count.get(w,0) + 1

def compare(x, y):
    z = count[y] - count[x]
    if z:
        return z
    else:
        return cmp(x,y)

keys = count.keys()
keys.sort(compare)
for w in keys:
    print("%d\t%s"%(count[w], w))