using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {
 
    static void Main(String[] args) {
        int[][] grid = new int[20][];
        for(int grid_i = 0; grid_i < 20; grid_i++){
        	string[] grid_temp = Console.ReadLine().Split(' ');
        	grid[grid_i] = Array.ConvertAll(grid_temp,Int32.Parse);
 
        }
        Console.WriteLine(ProductOfNumbers(grid));
    }
 
    static long ProductOfNumbers(int[][] grid)
    {
            long product = 0;
            for (int i = 0; i < grid.Length; i++)
            {
                for (int j = 0; j < grid.Length; j++)
                {
                    var arr = new long[6];
                    var r = grid.Length-3;
                    // Horizontally 
                    if (j < r)
                        arr[0] = grid[i][j] * grid[i][j + 1] * grid[i][j + 2] * grid[i][j + 3];
 
                    // Vertically
                    if (i < r)
                        arr[1] = grid[i][j] * grid[i + 1][j] * grid[i + 2][j] * grid[i + 3][j];
 
                    // Diagonnally Right 
                    if (i < r && j < r)
                        arr[2] = grid[i][j] * grid[i + 1][j + 1] * grid[i + 2][j + 2] * grid[i + 3][j + 3];
 
                    // Diagonnally 
                    if (i >= 3 && j >= 3 && i<r)
                    {
                        // Left Down
                        arr[3] = grid[i][j] * grid[i + 1][j - 1] * grid[i + 2][j - 2] * grid[i + 3][j-3];
 
                        // Right Up
                        if(j<r)
                            arr[4] = grid[i][j]*grid[i-1][j+1]*grid[i-2][j+2]*grid[i-3][j+3];
 
                    }
 
                    arr[5] = product;
 
                    product = arr.Max();
                }
            }
 
        return product;
    }
}

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

MDggMDIgMjIgOTcgMzggMTUgMDAgNDAgMDAgNzUgMDQgMDUgMDcgNzggNTIgMTIgNTAgNzcgOTEgMDgKNDkgNDkgOTkgNDAgMTcgODEgMTggNTcgNjAgODcgMTcgNDAgOTggNDMgNjkgNDggMDQgNTYgNjIgMDAKODEgNDkgMzEgNzMgNTUgNzkgMTQgMjkgOTMgNzEgNDAgNjcgNTMgODggMzAgMDMgNDkgMTMgMzYgNjUKNTIgNzAgOTUgMjMgMDQgNjAgMTEgNDIgNjkgMjQgNjggNTYgMDEgMzIgNTYgNzEgMzcgMDIgMzYgOTEKMjIgMzEgMTYgNzEgNTEgNjcgNjMgODkgNDEgOTIgMzYgNTQgMjIgNDAgNDAgMjggNjYgMzMgMTMgODAKMjQgNDcgMzIgNjAgOTkgMDMgNDUgMDIgNDQgNzUgMzMgNTMgNzggMzYgODQgMjAgMzUgMTcgMTIgNTAKMzIgOTggODEgMjggNjQgMjMgNjcgMTAgMjYgMzggNDAgNjcgNTkgNTQgNzAgNjYgMTggMzggNjQgNzAKNjcgMjYgMjAgNjggMDIgNjIgMTIgMjAgOTUgNjMgOTQgMzkgNjMgMDggNDAgOTEgNjYgNDkgOTQgMjEKMjQgNTUgNTggMDUgNjYgNzMgOTkgMjYgOTcgMTcgNzggNzggOTYgODMgMTQgODggMzQgODkgNjMgNzIKMjEgMzYgMjMgMDkgNzUgMDAgNzYgNDQgMjAgNDUgMzUgMTQgMDAgNjEgMzMgOTcgMzQgMzEgMzMgOTUKNzggMTcgNTMgMjggMjIgNzUgMzEgNjcgMTUgOTQgMDMgODAgMDQgNjIgMTYgMTQgMDkgNTMgNTYgOTIKMTYgMzkgMDUgNDIgOTYgMzUgMzEgNDcgNTUgNTggODggMjQgMDAgMTcgNTQgMjQgMzYgMjkgODUgNTcKODYgNTYgMDAgNDggMzUgNzEgODkgMDcgMDUgNDQgNDQgMzcgNDQgNjAgMjEgNTggNTEgNTQgMTcgNTgKMTkgODAgODEgNjggMDUgOTQgNDcgNjkgMjggNzMgOTIgMTMgODYgNTIgMTcgNzcgMDQgODkgNTUgNDAKMDQgNTIgMDggODMgOTcgMzUgOTkgMTYgMDcgOTcgNTcgMzIgMTYgMjYgMjYgNzkgMzMgMjcgOTggNjYKODggMzYgNjggODcgNTcgNjIgMjAgNzIgMDMgNDYgMzMgNjcgNDYgNTUgMTIgMzIgNjMgOTMgNTMgNjkKMDQgNDIgMTYgNzMgMzggMjUgMzkgMTEgMjQgOTQgNzIgMTggMDggNDYgMjkgMzIgNDAgNjIgNzYgMzYKMjAgNjkgMzYgNDEgNzIgMzAgMjMgODggMzQgNjIgOTkgNjkgODIgNjcgNTkgODUgNzQgMDQgMzYgMTYKMjAgNzMgMzUgMjkgNzggMzEgOTAgMDEgNzQgMzEgNDkgNzEgNDggODYgODEgMTYgMjMgNTcgMDUgNTQKMDEgNzAgNTQgNzEgODMgNTEgNTQgNjkgMTYgOTIgMzMgNDggNjEgNDMgNTIgMDEgODkgMTkgNjcgNDg=

08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00
81 49 31 73 55 79 14 29 93 71 40 67 53 88 30 03 49 13 36 65
52 70 95 23 04 60 11 42 69 24 68 56 01 32 56 71 37 02 36 91
22 31 16 71 51 67 63 89 41 92 36 54 22 40 40 28 66 33 13 80
24 47 32 60 99 03 45 02 44 75 33 53 78 36 84 20 35 17 12 50
32 98 81 28 64 23 67 10 26 38 40 67 59 54 70 66 18 38 64 70
67 26 20 68 02 62 12 20 95 63 94 39 63 08 40 91 66 49 94 21
24 55 58 05 66 73 99 26 97 17 78 78 96 83 14 88 34 89 63 72
21 36 23 09 75 00 76 44 20 45 35 14 00 61 33 97 34 31 33 95
78 17 53 28 22 75 31 67 15 94 03 80 04 62 16 14 09 53 56 92
16 39 05 42 96 35 31 47 55 58 88 24 00 17 54 24 36 29 85 57
86 56 00 48 35 71 89 07 05 44 44 37 44 60 21 58 51 54 17 58
19 80 81 68 05 94 47 69 28 73 92 13 86 52 17 77 04 89 55 40
04 52 08 83 97 35 99 16 07 97 57 32 16 26 26 79 33 27 98 66
88 36 68 87 57 62 20 72 03 46 33 67 46 55 12 32 63 93 53 69
04 42 16 73 38 25 39 11 24 94 72 18 08 46 29 32 40 62 76 36
20 69 36 41 72 30 23 88 34 62 99 69 82 67 59 85 74 04 36 16
20 73 35 29 78 31 90 01 74 31 49 71 48 86 81 16 23 57 05 54
01 70 54 71 83 51 54 69 16 92 33 48 61 43 52 01 89 19 67 48