MaxMonth=12
MaxDay=31
for ((month=1; month <= MaxMonth ; month++)) 
do
	if ((month < 10)); then
		smonth=0$month
	else
		let "smonth=$month"
	fi

	for ((day=0; day <= MaxDay ; day++))
	do
		if ((day < 10)); then
			sday=0$day
		else
			let "sday=$day"
		fi
		echo $smonth$sday
		wget "http://down02.putclub.com/virtual/backup/update/standard/VOA/2006$smonth/2006VOA$smonth$sday.mp3"
	done
done