Standard input is empty

Standard output is empty

./prog.sh: line 1: https://0...content-available-to-author-only...n.com/a6e8df8c-206a-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 2: https://0...content-available-to-author-only...n.com/14202490-2064-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 3: https://0...content-available-to-author-only...n.com/42417334-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 4: https://0...content-available-to-author-only...n.com/42417335-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 5: https://0...content-available-to-author-only...n.com/42417336-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 6: https://0...content-available-to-author-only...n.com/42417337-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 7: https://0...content-available-to-author-only...n.com/438ca1dc-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 8: https://0...content-available-to-author-only...n.com/43f5ca72-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 9: https://0...content-available-to-author-only...n.com/43f5ca73-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 10: https://0...content-available-to-author-only...n.com/449fc00e-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 11: https://0...content-available-to-author-only...n.com/450b8e10-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 12: https://0...content-available-to-author-only...n.com/450b8e11-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 13: https://0...content-available-to-author-only...n.com/450b8e12-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 14: https://0...content-available-to-author-only...n.com/45ea523a-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 15: https://0...content-available-to-author-only...n.com/46425ebc-206d-11eb-b68b-bc764e088e70.pdf: No such file or directory
./prog.sh: line 16: https://p...content-available-to-author-only...a.io/projects/kaaofnroaOXpxZs6UIvqSQ?language=php: No such file or directory
./prog.sh: line 17: https://p...content-available-to-author-only...a.io/projects/kaaofnroaOXpxZs6UIvqSQ: No such file or directory
./prog.sh: line 18: https://p...content-available-to-author-only...o.com/xLc4PwzPUqfj: No such file or directory
./prog.sh: line 19: https://i...content-available-to-author-only...e.com/eXPAYt: No such file or directory
./prog.sh: line 20: https://p...content-available-to-author-only...n.com/nEdXUBix: No such file or directory
./prog.sh: line 21: https://i...content-available-to-author-only...t.com/2020/11/nherwdsgfdewa.html: No such file or directory
./prog.sh: line 22: http://f...content-available-to-author-only...t.com/forum/topics/rhegtweadscx: No such file or directory
./prog.sh: line 23: https://c...content-available-to-author-only...r.com/photo/gewr3eqwadv: No such file or directory
./prog.sh: line 24: https://d...content-available-to-author-only...t.org/paste/6884c94e: No such file or directory
./prog.sh: line 25: https://s...content-available-to-author-only...y.org/view/s2mIzxL4rk: No such file or directory
./prog.sh: line 26: http://m...content-available-to-author-only...g.com/profiles/blogs/hgwtfqradsc: No such file or directory
./prog.sh: line 27: https://o...content-available-to-author-only...b.com/Hk0uMNXYv: No such file or directory
./prog.sh: line 28: https://o...content-available-to-author-only...b.com/SyehKMEXKD: No such file or directory
./prog.sh: line 29: https://o...content-available-to-author-only...b.com/HyL5zNXtP: No such file or directory
./prog.sh: line 30: https://p...content-available-to-author-only...k.net/27diu: No such file or directory
./prog.sh: line 31: https://p...content-available-to-author-only...a.io/projects/a6b_YZbXbgh3X_iEAAGG0g: No such file or directory
./prog.sh: line 32: https://w...content-available-to-author-only...r.com/question/5fa5b07cd1ac26c813d40be4: No such file or directory
./prog.sh: line 33: https://p...content-available-to-author-only...o.com/xLRWIBS2jZBI: No such file or directory
./prog.sh: line 34: http://f...content-available-to-author-only...r.pl/viewtopic.php?p=1123090: No such file or directory
./prog.sh: line 35: http://w...content-available-to-author-only...k.net/story/2728425/jrhegfadcxcb: No such file or directory
./prog.sh: line 37: https://f...content-available-to-author-only...t.net/kHphvYXjhttps://b...content-available-to-author-only...a.st/SQGA: No such file or directory
./prog.sh: line 38: https://p...content-available-to-author-only...a.io/projects/HRVV7nvkIEhRw_Vi38cbnQ?language=php: No such file or directory
./prog.sh: line 39: https://p...content-available-to-author-only...a.io/projects/HRVV7nvkIEhRw_Vi38cbnQ: No such file or directory
./prog.sh: line 40: http://f...content-available-to-author-only...r.pl/viewtopic.php?p=1123093: No such file or directory