int x[8][8], i, j, y[8], k = 0, s = 0;
	for(i=0; i<8; i++)
		for(j=0; j<8; j++)
			cin>>x[i][j];
	for(i=0; i<8; i++)
		for(j=0; j<8; j++)
		{
			k = 0;
			//1
			if(i < 7 && j < 6)
				y[k] = x[i+1][j+2];
			else
				y[k] = 0;
			k++;
			//2
			if(i < 7 && j > 1)
				y[k] = x[i+1][j-2];
			else
				y[k] = 0;
			k++;
			//3
			if(i > 0 && j < 6)
				y[k] = x[i-1][j+2];
			else
				y[k] = 0;
			k++;
			//4
			if(i > 0 && j > 1)
				y[k] = x[i-1][j-2];
			else
				y[k] = 0;
			k++;
			//5
			if(i < 6 && j < 7)
				y[k] = x[i+2][j+1];
			else
				y[k] = 0;
			k++;
			//6
			if(i < 6 && j > 0)
				y[k] = x[i+2][j-1];
			else
				y[k] = 0;
			k++;
			//7
			if(i > 1 && j < 7)
				y[k] = x[i-2][j+1];
			else
				y[k] = 0;
			k++;
			//8
			if(i > 1 && j > 0)
				y[k] = x[i-2][j-1];
			else
				y[k] = 0;
			k++;
			if(s < y[0] + y[1] + y[2] + y[3] + y[4] + y[5] + y[6] + y[7])
				s = y[0] + y[1] + y[2] + y[3] + y[4] + y[5] + y[6] + y[7];
		}
		cout<<s;