import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());

        int ret = 0;
        int count = 0;
        int prev = Integer.parseInt(sc.next());
        for (int i = 0; i < n - 1; i++) {
            int now = Integer.parseInt(sc.next());
            if (prev >= now) {
                count++;
            } else {
                ret = Math.max(ret, count);
                count = 0;
            }
            prev = now;
        }
        ret = Math.max(ret, count);
        System.out.println(ret);
    }
}

/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