#include<bits/stdc++.h>
using namespace std;
int main()
{
	int m,n,i,j,x,y,t,a[200][200],s=0;
	cin>>m>>n;
	for(i=0;i<m;i++){
		for(j=0;j<n;j++){
			cin>>a[i][j];
		}
	} 
	cin>>x>>y;
	x--;
	y--;
	for(j=0;j<n;j++){
		if(a[x][j]==a[x][y]){
			s++;
		}
	}
	for(j=0;j<m;j++){
		if(a[j][y]==a[x][y]){
			s++;
		}
	}
	cout<<s-2;
}

/**************************************************************
	Problem: 1998
	User: zzz
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2104 kb
****************************************************************/