import java.util.*;
class Main{
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    long a[]=new long[n];
    for(int i=0;i<n;i++){
      a[i]=sc.nextLong();
    }
    int c =0;int ans=0;
    for(int i=0;i<n-1;i++){
      if(a[i]>=a[i+1]){
        
        c++;
        if(c>ans) ans=c;
      }
      else
        c=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