#pragma warning(disable:4996)

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

#define SWAP(a,b) {int t; t = a; a=b; b = t; }

int main(void) {
	int arr[6][6];

	for (int arr_i = 0; arr_i < 6; arr_i++) {
		for (int arr_j = 0; arr_j < 6; arr_j++) {

			scanf("%d", &arr[arr_i][arr_j]);
		}
	}
	int hoursum = 0, max = 0, y = 0;
	int sum[16] = { 0, }, index = 0;;

	for (int i = 0; i <= 3; i++) {
		for (int j = 0; j <= 3; j++) {
			hoursum = 0;
			//hourglass 합

			for (y = 0; y <= 2; y++) {
				hoursum += arr[i][j + y];
				hoursum += arr[i + 2][j + y];
			}

			hoursum += arr[i + 1][j + 1];
			printf("into to %d point\n", hoursum);
			sum[index] = hoursum;

			index++;

		}
	}
	printf("index = %d\n", index);

	printf("into to 3 point\n");
	for (int k = 0; k < index-1; k++) {
		if (sum[k] > sum[k + 1]) SWAP(sum[k], sum[k + 1]);
	}
	printf("max ===== %d\n", sum[15]);
	return 0;
}