#include<bits/stdc++.h>

``cpp using namespace std;

int main(){ int n,m; int arr[110][110]={0}; cin>>n>>m; for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ cin>>arr[i][j]; } } for(int i=2;i<=n-1;i++){ for(int j=2;j<=m-1;j++){ if(arr[i][j]>arr[i-1][j]&&arr[i][j]>arr[i+1][j]&&arr[i][j]>arr[i][j-1]&&arr[i][j]>arr[i][j+1]){ cout<<arr[i][j]<<endl; } } } return 0; }