file_input
  stmt
    simple_stmt
      small_stmt
        print_stmt
          T_NAME: 'print'
          test
            or_test
              and_test
                not_test
                  comparison
                    expr
                      xor_expr
                        and_expr
                          shift_expr
                            arith_expr
                              term
                                factor
                                  power
                                    atom
                                      T_NAME: 'x'
                              T_PLUS: '+'
                              term
                                factor
                                  power
                                    atom
                                      T_NUMBER: '2'
                                T_STAR: '*'
                                factor
                                  power
                                    atom
                                      T_NUMBER: '3'
      T_NEWLINE: '\n'
  T_ENDMARKER: ''