import java.util.*;

public class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int[] H = new int[N];
		for (int i = 0; i < N; i++) 
			H[i] = sc.nextInt();

		int maxMove = 0; 
		int currentMove = 0;
		for (int i = 0; i < N-1; i++) {
			
			if (H[i] >= H[i+1]) {
				currentMove++;
				if (currentMove > maxMove)
					maxMove = currentMove;
			} else {
				currentMove = 0;
			}
		}
		System.out.println(maxMove);
	}
}
/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