Main.cc:1:1: error: ‘package’ does not name a type
    1 | package suanfaexam;
      | ^~~~~~~
Main.cc:3:1: error: ‘import’ does not name a type
    3 | import java.util.Scanner;
      | ^~~~~~
Main.cc:8:1: error: expected unqualified-id before ‘public’
    8 | public class Main2 {
      | ^~~~~~