#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;
    return 0;
}
/**************************************************************
	Problem: 1998
	User: panjinyan
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2136 kb
****************************************************************/