#! /usr/bin/python

import sys

if (len(sys.argv) <2):
	print "Usage: gpio2num [gpio1] [gpio2] ... [gpion]"
	print "\tExample: gpio2num A2 B4"
	exit(0)

sys.argv.pop(0)
for name in sys.argv:
	c = name[0:1]
	num = name[1:]
	a = ord(c)-65
	base = 480 - (int(a/4) * 32)
	offset = a%4*8 + int(num)
	gpio_num = base+offset
	print name+" = " + str(gpio_num)