ID = ch0104@42976674
/home/runner/temp/42976674.5226/Main.cc:31:2: error: expected unqualified-id before ‘return’
   31 |  return 0;
      |  ^~~~~~
/home/runner/temp/42976674.5226/Main.cc:32:1: error: expected declaration before ‘}’ token
   32 | }
      | ^