#!/bin/sh
filename=$1
while read line; do
	orgsum=`echo ${line} | rev | cut -c 2-3 | rev`
	newsum=`echo "obase=16; ibase=16; ${orgsum}-1" | bc`
	if [ ${newsum} = -1 ]; then
		newsum="FF"
	elif [ ${#newsum} = 1 ]; then
		newsum="0"${newsum}
	fi
	temp=`echo "obase=10; ibase=10; ${#line}-3" | bc `
	newstr=`echo ${line} | cut -c 1-${temp}`${newsum}
	echo ${newstr}
	echo ${newstr} >> new.MOT	
done < ${filename}