Day11.java

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



public class Solution {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int arr[][] = new int[6][6];
        for(int i=0;i<6;i++){
            for(int j =0; j<6; j++){
                arr[i][j] = sc.nextInt();
            }
        }
        
        
        int hourglass_sum = -9*6;
        for(int i=0;i<4;i++){
            for(int j = 0;j<4;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];
                if(sum > hourglass_sum){
                    hourglass_sum = sum;
                }
            }
        }
        System.out.println(hourglass_sum);   
    }
}