import os
import sys
import math
import itertools


CURRENT_DIR = os.path.dirname(os.path.realpath(__file__))


def solution(lines):
    return lines


def read_input():
    with open(f"{CURRENT_DIR}/input.txt", "r") as fread:
        lines = fread.read().splitlines()
    return lines


if __name__ == "__main__":
    lines = read_input()
    ans = solution(lines)
    print(f"answer: {ans}")

a7b67220f05e94449258b3c4a6f04167604539a1
<mask token>


def solution(lines):
    return lines


def read_input():
    with open(f'{CURRENT_DIR}/input.txt', 'r') as fread:
        lines = fread.read().splitlines()
    return lines


<mask token>

<mask token>


def solution(lines):
    return lines


def read_input():
    with open(f'{CURRENT_DIR}/input.txt', 'r') as fread:
        lines = fread.read().splitlines()
    return lines


if __name__ == '__main__':
    lines = read_input()
    ans = solution(lines)
    print(f'answer: {ans}')

<mask token>
CURRENT_DIR = os.path.dirname(os.path.realpath(__file__))


def solution(lines):
    return lines


def read_input():
    with open(f'{CURRENT_DIR}/input.txt', 'r') as fread:
        lines = fread.read().splitlines()
    return lines


if __name__ == '__main__':
    lines = read_input()
    ans = solution(lines)
    print(f'answer: {ans}')

import os
import sys
import math
import itertools
CURRENT_DIR = os.path.dirname(os.path.realpath(__file__))


def solution(lines):
    return lines


def read_input():
    with open(f'{CURRENT_DIR}/input.txt', 'r') as fread:
        lines = fread.read().splitlines()
    return lines


if __name__ == '__main__':
    lines = read_input()
    ans = solution(lines)
    print(f'answer: {ans}')

import os
import sys
import math
import itertools


CURRENT_DIR = os.path.dirname(os.path.realpath(__file__))


def solution(lines):
    return lines


def read_input():
    with open(f"{CURRENT_DIR}/input.txt", "r") as fread:
        lines = fread.read().splitlines()
    return lines


if __name__ == "__main__":
    lines = read_input()
    ans = solution(lines)
    print(f"answer: {ans}")
