/in/foo.cc:5:26: error: expected ']' before ';' token
    5 |     cout<<"Hello, World!";
      |                          ^
      |                          ]
/in/foo.cc:6:5: error: expected unqualified-id before 'return'
    6 |     return 0;
      |     ^~~~~~
/in/foo.cc:7:1: error: expected declaration before '}' token
    7 | }
      | ^