#include <bits/stdc++.h>
using namespace std;

int a[210][210];
int n,m,c = 0,x,y;

int main() {
	cin>>n>>m;
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= m;j++){
			cin>>a[i][j];
		}
	}
	cin>>x>>y;
	
	//循环第x行
	for(int i = 1;i <= m;i++){
		if(a[x][i] == a[x][y]) c++;
	}
	
	//循环第y列
	for(int i = 1;i <= n;i++){
		if(a[i][y] == a[x][y]) c++;
	} 
	
	cout<<c-2;
	
	return 0;
}


/**************************************************************
	Problem: 1998
	User: admin
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2244 kb
****************************************************************/