solution.java

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int arr[][] = new int[6][6];
        int maxSum = Integer.MIN_VALUE;;
        int sum = 0;
            
        for(int i=0; i < 6; i++)
        {
            for(int j=0; j < 6; j++)
            {
                arr[i][j] = in.nextInt();
                
                if(i > 1 && j > 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(sum > maxSum)
                    {
                        maxSum = sum;
                    }
                }
            }
        }
        
        System.out.println(maxSum);
    }
}