#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[200][200]={0},n,m,i,j,x,y,h=0;
	cin>>n>>m;
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cin>>a[i][j];
		}
	}
	cin>>x>>y;
	for(i=0;i<=n;i++){
		if(a[i][y]==a[x][y]) h++;
	}
	for(j=0;j<=m;j++){
		if(a[x][j]==a[x][y]) h++;
	}
	cout<<h-2;
}
/**************************************************************
	Problem: 1998
	User: linzihang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2104 kb
****************************************************************/