#include<fstream>

using namespace std;
ifstream on("oras.in");
ofstream of("oras.out");
int main()
{
	int a[100][100],n,s,xi,yi,xf,yf,i,j;
	on>>n>>xi>>yi>>xf>>yf;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			on>>a[i][j];
	s=abs(int(xf-xi))*a[1][1]+abs(int (yf-yi)*a[1][1]);
	of<<s;
	return 0;
	
	
}