Day11.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];
        for(int i=0; i < 6; i++){
            for(int j=0; j < 6; j++){
                arr[i][j] = in.nextInt();
            }
        }
        
        int maxSum = (-9 * 7);
        int sum = 0;
        
        for(int i=0; i<4; i++){
            for(int j=0; j<4; j++){
                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);
    }
}