#include <bits/stdc++.h>

using namespace std;

int a[105][105], n, m, i ,j, col;
int main()
{
    cin >> n >> m;
    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++){
            cin >>a[i][j];
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++){
            if(a[i-1][j]<a[i][j] && a[i][j-1]<a[i][j] && a[i][j+1]<a[i][j] && a[i+1][j]<a[i][j]) col++;

    }
    }
    cout << col;
    return 0;
}