7550 3602ad0575 1.First upload. %!s(int64=5) %!d(string=hai) anos
..
cat-prints-a-file 3602ad0575 1.First upload. %!s(int64=5) %!d(string=hai) anos
cat-prints-a-file-and-standard-input 3602ad0575 1.First upload. %!s(int64=5) %!d(string=hai) anos