import java.util.*;
import java.math.*;
import java.lang.*;
import java.io.*;
 
public class Main{
  public static void main(String args[]) throws IOException{
    Scanner s=new Scanner(System.in);
   
    int n=s.nextInt();
   
   int a[]=new int[n];
    for(int i=0;i<n;i++){
      a[i]=s.nextInt();
    }
    int c=0;
    int max=-1;
    for(int i=0;i<n-1;i++){
      if(a[i]>=a[i+1])
      {  c++;
      if(c>max)
        max=c;
      }
      else
        c=0;
      
      }
    System.out.println(Math.max(max,0));
    }
    
}
/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