#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,t1,t2,t,a[200][200],g=0;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++) cin>>a[i][j];
	}
	cin>>t1>>t2;
	t=a[t1][t2];
	for(int i=1;i<=n;i++){
		if(a[i][t2]==t) g++;
	}
	for(int j=1;j<=m;j++){
		if(a[t1][j]==t) g++;
	}
	cout<<g-2;
}
/**************************************************************
	Problem: 1998
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2108 kb
****************************************************************/