Linux Terminal Curl: Option -: Is Unknown Error [Closed]

I keep trying to run this code but i keep getting the error "curl: option -: is unknown" HERE IS THE CODE

#!/bin/bash
#crawl End Clothing for Product IDs
for i in $(eval echo {$1..$2})
do

rm -f end-cookie.jar
curl -c end-cookie.jar - L  -s -o /dev/null

url=`curl -b end-cookie.jar -w "%{url_effective}\n" - L -s -S -o /dev/null 

echo $i - $url

done

and when i run that i get the error

akshayk17j@ubuntu:~$ /home/akshayk17j/Desktop/TheEnd.sh
curl: option -: is unknown
curl: try 'curl --help' or 'curl --manual' for more information
curl: option -: is unknown
curl: try 'curl --help' or 'curl --manual' for more information
{..} -

HOW DO I FIX THIS? I dont know much about linux.

also i recieved this code in picture format and had to type it up. it also said "Usage: ./TheEnd.sh 1 500000" but idk what that means. thanks for your help