public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  String word1 = scan . next ( ) ;
  String word2 = scan . next ( ) ;
  boolean match = true ;
  if ( word1 . length ( ) != word2 . length ( ) ) match = false ;
  if ( match ) {
    for ( int i = 0 ;
    i < word1 . length ( ) ;
    i ++ ) {
      if ( word1 . charAt ( i ) != word2 . charAt ( word2 . length ( ) - 1 - i ) ) match = false ;
    }
  }
  if ( match ) System . out . println ( "YES" ) ;
  else System . out . println ( "NO" ) ;
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; String word1 = scan . next ( ) ; String word2 = scan . next ( ) ; boolean match = true ; if ( word1 . length ( ) != word2 . length ( ) ) match = false ; if ( match ) { for ( int i = 0 ; i < word1 . length ( ) ; i ++ ) { if ( word1 . charAt ( i ) != word2 . charAt ( word2 . length ( ) - 1 - i ) ) match = false ; } } if ( match ) System . out . println ( " YES " ) ; else System . out . println ( " NO " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (true))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) consequence: (expression_statement (assignment_expression left: (identifier) right: (false)))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)) right: (identifier)))))) consequence: (expression_statement (assignment_expression left: (identifier) right: (false)))))))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))