Standard input is empty

Standard output is empty

./prog.sh: line 1: https://c...content-available-to-author-only...o.org/sites/default/files/u17294/g12dl1ft-free-v-bucks-generator-virtual-world-9o6b.pdf: No such file or directory
./prog.sh: line 2: https://u...content-available-to-author-only...n.io/result/702f9b55-0d94-4603-903a-578501b0f9b3/: No such file or directory
./prog.sh: line 3: https://h...content-available-to-author-only...s.com/sample/9d6b37236103ac2b77d9d8ad90557aa732cbc6031b8251c7e7dd70fce14d6815: No such file or directory
./prog.sh: line 4: https://d...content-available-to-author-only...t.org/paste/896879f5: No such file or directory
./prog.sh: line 5: https://p...content-available-to-author-only...o.com/xCedL7vvSJwK: No such file or directory