import java.io.BufferedReader;
import java.io.*;
import java.util.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Collections;

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

        int n = sc.nextInt();
        List<Integer> list = new ArrayList<>();
        int count = 0;
        int max = 0;

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

        for(int i = 0 ; i < n -1 ; i++){
            if(list.get(i) >= list.get(i + 1)){
                count++;
            }else{
                if(max <= count){
                    max = count;
                }
                count = 0;
            }
        }
        if(max <= count){
            max = count;
        }

        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