import java.util.*;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    
    int n = sc.nextInt();

    ArrayList<Integer> a = new ArrayList<Integer>(n);

    for (int i=0 ; i<n ; i++){
      a.add(sc.nextInt());
    }

    int cnt=0;
    int ans=0;

    for (int i=0 ; i<n ; i++){
      if (i+1==n){break;}
      if(a.get(i)>=a.get(i+1)){
          cnt++;
          ans = (ans<cnt) ? cnt:ans;
      }else{
          ans = (ans<cnt) ? cnt:ans;
          cnt=0;
      }
    }


    System.out.println(ans);
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz