import os


def read_file_to_string(main_calculator_file_name):
    file_path = os.path.join(os.path.dirname(main_calculator_file_name), "input")

    with open(file_path) as f:
        return f.read()

7aa85d4e2346875a76161c5967b5401cc7bc0f31
<mask token>

<mask token>


def read_file_to_string(main_calculator_file_name):
    file_path = os.path.join(os.path.dirname(main_calculator_file_name),
        'input')
    with open(file_path) as f:
        return f.read()

import os


def read_file_to_string(main_calculator_file_name):
    file_path = os.path.join(os.path.dirname(main_calculator_file_name),
        'input')
    with open(file_path) as f:
        return f.read()

import os


def read_file_to_string(main_calculator_file_name):
    file_path = os.path.join(os.path.dirname(main_calculator_file_name), "input")

    with open(file_path) as f:
        return f.read()
