public static void main ( String [ ] args ) {
  FastReader sc = new FastReader ( ) ;
  String s = sc . next ( ) ;
  int count_x = 0 ;
  int count_y = 0 ;
  for ( int i = 0 ;
  i < s . length ( ) ;
  i ++ ) {
    if ( s . charAt ( i ) == 'x' ) {
      count_x ++ ;
    }
    else {
      count_y ++ ;
    }
  }
  StringBuilder ans = new StringBuilder ( ) ;
  int k = 0 ;
  char c ;
  if ( count_x > count_y ) {
    c = 'x' ;
    k = count_x - count_y ;
  }
  else {
    c = 'y' ;
    k = count_y - count_x ;
  }
  while ( k -- > 0 ) {
    ans . append ( c ) ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { FastReader sc = new FastReader ( ) ; String s = sc . next ( ) ; int count_x = 0 ; int count_y = 0 ; for ( int i = 0 ; i < s . length ( ) ; i ++ ) { if ( s . charAt ( i ) == ' x ' ) { count_x ++ ; } else { count_y ++ ; } } StringBuilder ans = new StringBuilder ( ) ; int k = 0 ; char c ; if ( count_x > count_y ) { c = ' x ' ; k = count_x - count_y ; } else { c = ' y ' ; k = count_y - count_x ; } while ( k -- > 0 ) { ans . append ( c ) ; } System . out . println ( ans ) ; }
(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)))) (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: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_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)))) alternative: (block (expression_statement (update_expression (identifier))))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (character_literal))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (character_literal))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))) (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))