#include <bits/stdc++.h>
using namespace std;
int n,m;
int a[250][250];
int r=0,b,c;
int main(){
	cin>>n>>m;
	for(int i=1;i<=n;i++){
	for(int j=1;j<=m;j++){
	   cin>>a[i][j];
	}
	}
	cin>>b>>c;
	
  for(int i=1;i<=n;i++){
     if(a[b][i]==a[b][c]){
      	r++;
     } 
       if(a[b][c]==a[i][c]){
      	r++;
    } 
	}
	 cout<<r-2;
    return 0;
}
/**************************************************************
	Problem: 1998
	User: wangyousi
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2316 kb
****************************************************************/