#include<bits/stdc++.h>
using namespace std;
int main(){
     int a[200][205],n,m,i,j,t1,t2,h=0;
     cin>>n>>m;
     for(i=1;i<=n;i++){
     	for(j=1;j<=m;j++){
     		cin>>a[i][j];
     	}
     }
     cin>>t1>>t2;
      for(j=1;j<=m;j++){
     	  if(a[t1][j]==a[t1][t2]){
     	  	h=h+1;
     	  }
      }
      for(i=1;i<=n;i++){
     	  if(a[i][t2]==a[t1][t2]){
     	  	h=h+1;
     	  }
      }
      h=h-2;
      cout<<h;
}
/**************************************************************
	Problem: 1998
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2108 kb
****************************************************************/