import java.util.Scanner;

// https://atcoder.jp/contests/abc139/tasks/abc139_c
public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		int[] arrayH = new int[N];
		for(int i=0;i<N;i++) {
			arrayH[i] = sc.nextInt();
		}
		sc.close();

		int ans = 0;
		int count = 0;

		for(int i = 0;i<N-1;i++) {
			if(arrayH[i]>=arrayH[i+1]) {
				count++;
			}else {
				ans = Math.max(count,ans);
				count = 0;
			}
		}
		ans = Math.max(count,ans);

		System.out.println(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