#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m;
	cin>>n>>m;
	int a[n][m];
	for(int i=0;i<n;i++){
		for(int j=0;j<m;j++){
			cin>>a[i][j];
		}
	}
	int x,y;
	cin>>x>>y;
	x=x-1;
	y=y-1;
	int c=0;
	for(int j=0;j<m;j++){
		if(a[x][j]==a[x][y]) c++;
	}
	for(int i=0;i<n;i++){
		if(a[i][y]==a[x][y]) c++;
	}
	cout<<c-2;
	return 0;
}
/**************************************************************
	Problem: 1998
	User: linyuhang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/