public static String solve ( String s ) {
  String response = "" ;
  if ( s . length ( ) % 2 > 0 || s . charAt ( 0 ) == ')' || s . charAt ( s . length ( ) - 1 ) == '(' ) {
    return response = "NO" ;
  }
  int questionNumbers = 0 ;
  for ( int i = 0 ;
  i < s . length ( ) ;
  i ++ ) {
    if ( s . charAt ( i ) == '?' ) {
      questionNumbers ++ ;
    }
  }
  if ( questionNumbers % 2 == 0 ) {
    response = "YES" ;
  }
  else {
    response = "NO" ;
  }
  return response ;
}

public static String solve ( String s ) { String response = " " ; if ( s . length ( ) % 2 > 0 || s . charAt ( 0 ) == ' ) ' || s . charAt ( s . length ( ) - 1 ) == ' ( ' ) { return response = " NO " ; } int questionNumbers = 0 ; for ( int i = 0 ; i < s . length ( ) ; i ++ ) { if ( s . charAt ( i ) == ' ? ' ) { questionNumbers ++ ; } } if ( questionNumbers % 2 == 0 ) { response = " YES " ; } else { response = " NO " ; } return response ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) right: (character_literal))) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) right: (character_literal)))) consequence: (block (return_statement (assignment_expression left: (identifier) right: (string_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))) consequence: (block (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (string_literal)))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (string_literal))))) (return_statement (identifier))))