#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[250][250];
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			cin>>a[i][j];
		}
	}
	int k1,k2,c=0;
	cin>>k1>>k2;
	for(int j=1;j<=m;j++){
		if(a[k1][k2]==a[k1][j]) c++;
	}
	for(int i=1;i<=n;i++){
		if(a[k1][k2]==a[i][k2]) c++;
	}
	cout<<c-2;
	
}
/**************************************************************
	Problem: 1998
	User: dengyuanyan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2196 kb
****************************************************************/