#!/usr/bin/python
import re
import os

fd = os.popen("avr-objdump -d firmware.bin")
regcount = [0]*32
s="foo"
while s:
	s=fd.readline()
	m=re.findall(r"[ \n\t,;]r(\d\d?)[ \n\t,;]",s)
	if m:
		for i in m:
			regcount[int(i)] += 1;

for i in range(16):
	print "r%2d: %4d"%(i,regcount[i]),
	print "\tr%2d: %4d"%(i+16,regcount[i+16])