#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,m,i,j,h=0,a[105][105],t1,t2;
    cin>>n>>m;
   for(i=1;i<n+1;i++){
    	for(j=1;j<m+1;j++){
    		cin>>a[i][j];
    	}
    }
    cin>>t1>>t2;
    for(j=1;j<m+1;j++){
    	if(a[t1][j]==a[t1][t2]){
    		h=h+1;
    	}
    }
    for(i=1;i<n+1;i++){
    	if(a[i][t2]==a[t1][t2]){
    		h=h+1;
    	}
    }
    h=h-2;
    cout<<h;
    return 0;
}
/**************************************************************
	Problem: 1998
	User: cyp
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/