main.py

import sys

if __name__ == '__main__':
    arr = []

    for _ in range(6):
        arr.append(list(map(int, input().rstrip().split())))

    max = -sys.maxsize - 1
    for i in range(3 + 1):
        for j in range(3 + 1):
            sum = arr[i][j] + arr[i][j + 1] + arr[i][j + 2] + arr[i + 1][j + 1] + arr[i + 2][j] + arr[i + 2][j + 1] + arr[i + 2][j + 2]
            if max < sum:
                max = sum

    print(max)