#include<bits/stdc++.h>
using namespace std;
int m,n,a[10001][10001],sum=0;
int main()
{
    cin>>m>>n;
    for(int i=1;i<=m;i++){
        for(int j=1;j<=n;j++){
            cin>>a[i][j];
        }
    }
    for(int i=1;i<=m;i++){
        for(int j=1;j<=n;j++){
            if(a[i][j]>a[i+1][j]&&a[i][j]>a[i][j+1]&&a[i][j]>a[i+1][j+1]&&a[i][j]>a[i-1][j]&&a[i][j]>a[i][j-1]&&a[i][j]>a[i-1][j-1]&&a[i][j]>a[i+1][j-1]&&a[i][j]>a[i-1][j+1])
            sum++;
        }
    }
    cout<<sum;
    return 0;
}//我是小牛逼，越来越牛逼！