#!/usr/bin/env python3;
###############################################################################
# This program reads characters from STDIN and then computes a frequency table.
# 
# Copyright © 2020 Richard Lesh.  All rights reserved.
###############################################################################

import Utils
import re
import sys

# Begin Main
totalCount = 0
countTable = {}
c = Utils.getchar(sys.stdin)
while c != None :
    if (not (c in countTable.keys())) :
        countTable[c] = 1
    else :
        countTable[c] += 1
    totalCount += 1
    c = Utils.getchar(sys.stdin)

print("Hex\tChar\tCount\tFreq")
sortedKeys = sorted(countTable.keys(), key = int)
for x in sortedKeys :
    freq = countTable[x] / totalCount
    if (re.match("^[\x00-\x1f\x7f\u0080-\u009f]",chr(x))) :
        print("{0:05x}\t0x{0:x}\t{1:d}\t{2:.4f}".format(x, countTable[x], freq))
    else :
        print("{0:05x}\t{1:c}\t{2:d}\t{3:.4f}".format(x, x, countTable[x], freq))