#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[30][30],c=0;
	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;
	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;

	return 0;
}

/**************************************************************
	Problem: 1998
	User: lidongcheng
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/