import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc  = new Scanner(System.in);
		int N = sc.nextInt();
		String[] array = new String[N];
		String str = sc.nextLine();
		str = sc.nextLine();
		array = str.split(" ");
		int max = 0;
		int count = 0;
		for (int j=0; j<N-1; j++) {
			if (Integer.parseInt(array[j]) >= Integer.parseInt(array[j+1])) {
				count++;
			}
			else {
				count = 0;
			}
		
			if (count >= max) {
				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