Language: Java

public class Main{
    public static void main (String[] args) {
????????????Scanner scanner = new Scanner(System.in);
        System.out.println("??´??°???????????\?????????????????????");
????????????int a = scanner.nextInt();
        int b = scanner.nextInt();
        if(a <= b){
             System.out.println(a +"<" + b);
           }else if(b <= a){
            System.out.println(b +"<" + a);
            }else if(b == a){
             System.out.println(b +"==" + a);
            }
    }
}

Compiler output:
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
 ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
  ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
   ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
    ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
     ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
      ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
       ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
        ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
         ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
          ^
Main.java:3: error: illegal start of expression
????????????Scanner scanner = new Scanner(System.in);
           ^
Main.java:3: error: : expected
????????????Scanner scanner = new Scanner(System.in);
                   ^
Main.java:3: error: : expected
????????????Scanner scanner = new Scanner(System.in);
                                                    ^
Main.java:4: error: illegal escape character
        System.out.println("?????????????????\?????????????????????");
                                              ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
 ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
  ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
   ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
    ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
     ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
      ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
       ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
        ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
         ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
          ^
Main.java:5: error: illegal start of expression
????????????int a = scanner.nextInt();
           ^
Main.java:5: error: '.class' expected
????????????int a = scanner.nextInt();
                ^
Main.java:5: error: : expected
????????????int a = scanner.nextInt();
                                     ^
29 errors