static void firstN ( int n ) {
  int num = 19 , cnt = 1 ;
  while ( cnt != n ) {
    if ( sum ( num ) == 10 ) {
      System . out . print ( num + " " ) ;
      cnt ++ ;
    }
    num += 9 ;
  }
}

static void firstN ( int n ) { int num = 19 , cnt = 1 ; while ( cnt != n ) { if ( sum ( num ) == 10 ) { System . out . print ( num + " ▁ " ) ; cnt ++ ; } num += 9 ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (string_literal))))) (expression_statement (update_expression (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))))))