/* Copyright (C) 1999 Lucent Technologies */
/* Excerpted from 'The Practice of Programming' */
/* by Brian W. Kernighan and Rob Pike */

#include <stdio.h>
#include <ctype.h>
#include <limits.h>

unsigned long count[UCHAR_MAX+1];

/* freq main: display byte frequency counts */
int main(void)
{
	int c;

	while ((c = getchar()) != EOF)
		count[c]++;

	for (c = 0; c <= UCHAR_MAX; c++)
		if (count[c] != 0)
			printf("%.2x  %c  %lu\n", 
				c, isprint(c) ? c : '-', count[c]);
	return 0;
}