package hackerRank;

import java.util.Scanner;

/**

* https://www.hackerrank.com/challenges/2d-array

* @author Debosmit

*

*/

public class Array_2D_DS {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

int[][] ar = new int[6][6];

for (int i = 0; i < 6; i++) {

for (int j = 0; j < 6; j++) {

ar[i][j] = in .nextInt();

}

}

printMax(ar);

in.close();

}

private static void printMax(int[][] arr) {

int max = Integer.MIN_VALUE;

for (int i = 0; i <= 3; i++) {

for (int j = 0; j <= 3; j++) {

int 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];

max = Math.max(sum, max);

}

}

System.out.println(max);

}

}