#include <iostream>
 
using namespace std;
 
 
int main()
{
    int m, n;
 
    cout << "Give M and N - ";
    cin >> m >> n;
 
    int a[m][n];
 
    for ( int i = 0; i < m; i++ )
    {
        for ( int j = 0; j < n; j++ )
        {
            cin >> a[i][j];
        }
    }
 
 
    int smax = -1, suma = -1, x = -1, y = -1;
 
    for ( int i = 0; i < m; i++ )
    {
        for ( int j = 0; j < n; j++ )
        {
            suma = 0;
            if ( i + 1 >= m || j + 1 >= n )
            {
                // No 2x2 matrix exists for this i and j.
                continue;
            }
 
            for ( int k = i; k < i + 2; k++ )
            {
                for ( int l = j; l < j + 2; l++ )
                {
                    suma = suma + a[k][l];
                }
            }
 
            if ( suma > smax )
            {
                smax = suma;
                x = i, y = j;
            }
        }
    }
 
    cout << endl << x << " " << y << " "  << smax << endl;
 
    if ( x == -1 || y == -1 )
    {
        // No 2x2 matrix found!
        cout << "Invalid input!" << endl;
        return 0;
    }
 
    for ( int i = x; i < x + 2; i++ )
    {
        for ( int j = y; j < y + 2; j++ )
        {
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
 
}

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