import java.util.*;

/**
 * Main
 */
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int N = sc.nextInt();
		int now = sc.nextInt();
		int next = 0;
		int count = 0;
		int answer = 0;
		for(int i=0; i<N-1; i++){
			next = sc.nextInt();
			if(now >= next){
				count++;
			} else{
				answer=Math.max(answer,count);
				count=0;
			}
			now = next;
		}
		answer=Math.max(answer,count);
		System.out.println(answer);

		sc.close();
	}
};
/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