import java.util.*;
public class Main {
	Scanner sc;
	int N;
	int[] H;

	public Main() {
		sc = new Scanner(System.in);
	}
	
	private void calc() {
		N = sc.nextInt();
		H = new int[N];
		for (int i = 0; i < H.length; i++) H[i] = sc.nextInt();
		
		int max = 0;
		int c = 0;
		for (int i = H.length-1; i > 0; i--) {
			if (H[i-1] >= H[i]) {
				c++;
				if (c > max) max = c;
			} else {
				c = 0;
			}
		}
		System.out.println(max);
		System.out.flush();
	}

	public static void main(String[] args) {
		new Main().calc();
	}

}
/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