Standard input is empty

Standard output is empty

./prog.sh: line 1: https://a...content-available-to-author-only...u.edu/sites/default/files/webform/free-v-bucks-code-generator132300.pdf: No such file or directory
./prog.sh: line 2: https://a...content-available-to-author-only...u.edu/sites/default/files/webform/free-v-bucks-generator-get-it132277.pdf: No such file or directory
./prog.sh: line 3: https://a...content-available-to-author-only...u.edu/sites/default/files/webform/free-tiktok-followers-fans-generator132323.pdf: No such file or directory
./prog.sh: line 4: https://a...content-available-to-author-only...u.edu/sites/default/files/webform/free-tiktok-followers-fan-generator132346.pdf: No such file or directory
./prog.sh: line 5: https://u...content-available-to-author-only...n.io/result/2b18c6c5-e7de-48d4-bf76-3803b5da9ed4: No such file or directory
./prog.sh: line 6: https://p...content-available-to-author-only...o.com/xRTzBsCcLszQ: No such file or directory
./prog.sh: line 7: https://w...content-available-to-author-only...s.com/sample/83de6f14c4e646198dff7e14077e6c821ce400633f0dff8d3ae7d026e8812f40: No such file or directory
./prog.sh: line 8: https://p...content-available-to-author-only...k.net/21y08: No such file or directory