import java.util.*;

public class Main {
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int ans = 0;
		int n = sc.nextInt();
		int h[] = new int[n];
		for(int i = 0; i < n; i++) {
			h[i] = sc.nextInt();
		}

		int cnt = 0; 
		for(int i = 1; i < n; i++) {
			if (h[i] <= h[i - 1]) {
				cnt++;
				ans = Math.max(ans, cnt);
			}
			else {
				cnt = 0;
			}
		}
		
		System.out.print(ans);
	}
}
/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