#!/bin/bash
year=$1
day=$2
quarter=$3
count=0

case $quarter in
	1) q=01;;
	2) q=04;;
	3) q=07;;
	4) q=10;;
	*) echo "QUARTER ERROR"
		exit 1;;
esac
set ${year//-/' '}

if [ $1 -gt $2 ]
	then
	echo ' YEARS ERROR '
	exit 1
fi

year1=$1
year2=$2


while [ $year1 -le $year2 ]
do
	d=`date -d "$q/01/$year1" "+%a"`
	if [ $d = $day ]
		then
		echo $year1
		let ++count
	fi
	let ++year1
done

echo $count
exit $count