#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: lidongbo
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/