Language: C++

import java.util.*;

class Main{
	final static char[][] brackets = {{'(', ')'}, {'[', ']'}};
	
	Stack<Character> s;
	String input;
	int flag;	//????????????????????????????????°???
	
	Main(){
		s = new Stack<Character>();
		input = null;
		flag = 0;
	}
	
	public static void main(String[] args){
		while( new Main().Main() );
		return;
	}
	
	//???????????¶??????????????????false????????????
	boolean Main(){
		Scanner scan = new Scanner(System.in);
		try{
			input = scan.nextLine();
		}catch( NoSuchElementException nsee ){
			System.out.println("Error");
			return false;
		}
		//???????????¶?????§?????????
		if( input.length() == 1 ){ return false; }
		for( int i = 0; i < input.length(); i++ ){
			for( int j = 0; j < brackets.length; j++ ){
				if( input.charAt(i) == brackets[j][0] ){
					s.push(brackets[j][0]);
					break;
				}else if( input.charAt(i) == brackets[j][1] ){
					try{
						if( s.pop() != brackets[j][0] ){
							System.out.println("no");
							return true;
						}
					}catch( EmptyStackException ese ){
						//??????????????¬??§???????????????????????¬??§????????¨????????????
						System.out.println("no");
						return true;
					}
					break;
				}
			}
		}
		if( s.isEmpty() ){
			System.out.println("yes");
		}else{
			System.out.println("no");
		}
		return true;
	}
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:9: error: 'final' does not name a type
    4 |         final static char[][] brackets = {{'(', ')'}, {'[', ']'}};
      |         ^~~~~
a.cc:6:9: error: 'Stack' does not name a type
    6 |         Stack<Character> s;
      |         ^~~~~
a.cc:7:9: error: 'String' does not name a type
    7 |         String input;
      |         ^~~~~~
a.cc:16:15: error: expected ':' before 'static'
   16 |         public static void main(String[] args){
      |               ^~~~~~~
      |               :
a.cc:16:33: error: 'String' has not been declared
   16 |         public static void main(String[] args){
      |                                 ^~~~~~
a.cc:16:42: error: expected ',' or '...' before 'args'
   16 |         public static void main(String[] args){
      |                                          ^~~~
a.cc:22:9: error: 'boolean' does not name a type; did you mean 'bool'?
   22 |         boolean Main(){
      |         ^~~~~~~
      |         bool
a.cc:59:2: error: expected ';' after class definition
   59 | }
      |  ^
      |  ;
a.cc: In constructor 'Main::Main()':
a.cc:11:17: error: 's' was not declared in this scope
   11 |                 s = new Stack<Character>();
      |                 ^
a.cc:11:25: error: 'Stack' does not name a type
   11 |                 s = new Stack<Character>();
      |                         ^~~~~
a.cc:11:31: error: 'Character' was not declared in this scope
   11 |                 s = new Stack<Character>();
      |                               ^~~~~~~~~
a.cc:11:42: error: expected primary-expression before ')' token
   11 |                 s = new Stack<Character>();
      |                                          ^
a.cc:12:17: error: 'input' was not declared in this scope; did you mean 'int'?
   12 |                 input = null;
      |                 ^~~~~
      |                 int
a.cc:12:25: error: 'null' was not declared in this scope
   12 |                 input = null;
      |                         ^~~~
a.cc: In static member function 'static void Main::main(int*)':
a.cc:17:34: error: expected ')' before '.' token
   17 |                 while( new Main().Main() );
      |                                  ^
a.cc:17:22: note: to match this '('
   17 |                 while( new Main().Main() );
      |                      ^
a.cc:17:34: error: expected primary-expression before '.' token
   17 |                 while( new Main().Main() );
      |                                  ^