using Java Script

'use strict';

const fs = require('fs');

process.stdin.resume(); process.stdin.setEncoding('utf-8');

let inputString = ''; let currentLine = 0;

process.stdin.on('data', function(inputStdin) { inputString += inputStdin; });

process.stdin.on('end', function() { inputString = inputString.split('\n');

main();

});

function readLine() { return inputString[currentLine++]; }

/* * Complete the 'hourglassSum' function below. * * The function is expected to return an INTEGER. * The function accepts 2D_INTEGER_ARRAY arr as parameter. */

function hourglassSum(arr) { // Write your code here function hourglassArrays(arr) { let rows = arr.length let cols = arr[0].length let subArrays = []

    for(let i = 0; i<rows-2; i++){
        for(let j = 0; j<cols-2;j++){
            let subarray = []
            for(let x = 0; x<3;x++){
                let row = []
                for(let y=0;y<3;y++){
                    if(i+x < rows && j + y < cols){
                        row.push(arr[i+x][j+y])
                    }
                }
                if (row.length > 0) subarray.push(row)
            }
        subArrays.push(subarray)
        }
    }
    return subArrays
}
    let array = hourglassArrays(arr)
    let sumArray = []
    array.forEach(arr => {
        let rows = arr.length
        let cols = arr[0].length
        let sum = 0

        for(let i = 0; i < rows; i++){
            for(let j = 0; j < cols; j++){
                if(i !== 1){
                    sum += arr[i][j]
                } else {
                    if(j === 1) {
                        sum += arr[i][j]
                    }
                }
            }
        }
        sumArray.push(sum)
    });
    return Math.max(...sumArray)

}

function main() { const ws = fs.createWriteStream(process.env.OUTPUT_PATH);

let arr = Array(6);

for (let i = 0; i < 6; i++) {
    arr[i] = readLine().replace(/\s+$/g, '').split(' ').map(arrTemp => parseInt(arrTemp, 10));
}

const result = hourglassSum(arr);

ws.write(result + '\n');

ws.end();

}