import java.util.*;
import java.io.*;

public class Main
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
    int length = sc.nextInt();
    int[] bruh = new int[length];
    for(int i = 0; i < bruh.length; i++)
    	bruh[i] = sc.nextInt();
    int max = 0; 
    int mov = 0;
    for(int i = bruh.length-2; i >= 0; i--)
    {
      if(bruh[i+1] > bruh[i])
        mov = 0;
      else
        mov++;
      if(mov > max)
        max = mov;
    }
	System.out.println(max);
  }
}
/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