#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: linmiaoling
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2104 kb
****************************************************************/