#include<bits/stdc++.h>
using namespace std;
int main(){
	int x[220][220]={0},n,m,i,j,c,a,b,p=0;
	cin>>n>>m;
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cin>>x[i][j];
		}
	}
	cin>>a>>b;
	c=x[a][b];
    for(i=1;i<=n;i++){
    	for(j=1;j<=m;j++){
    		if(i==a || j==b){
    			if(x[i][j]==c){
    				p++;
    			}
    		}
    	}
    }
	cout<<p-1;
}
/**************************************************************
	Problem: 1998
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2140 kb
****************************************************************/