public static void main ( String [ ] args ) {
  Scanner scn = new Scanner ( System . in ) ;
  char [ ] a = scn . nextLine ( ) . toCharArray ( ) ;
  char [ ] b = scn . nextLine ( ) . toCharArray ( ) ;
  boolean ans = true ;
  for ( int i = 0 ;
  i < 3 ;
  i ++ ) {
    ans &= a [ i ] == b [ 2 - i ] ;
  }
  System . out . println ( ans ? "YES" : "NO" ) ;
}

public static void main ( String [ ] args ) { Scanner scn = new Scanner ( System . in ) ; char [ ] a = scn . nextLine ( ) . toCharArray ( ) ; char [ ] b = scn . nextLine ( ) . toCharArray ( ) ; boolean ans = true ; for ( int i = 0 ; i < 3 ; i ++ ) { ans &= a [ i ] == b [ 2 - i ] ; } System . out . println ( ans ? " YES " : " 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: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (true))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (decimal_integer_literal) right: (identifier)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (ternary_expression condition: (identifier) consequence: (string_literal) alternative: (string_literal)))))))