import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int count = 0;
        int max = 0;
        int len = sc.nextInt();
        int prev = sc.nextInt();
        int num;

        for (int i = 1; i < len; i++) {
            num = sc.nextInt();
            if (prev >= num) {
                count++;
                if (max < count) {
                    max = count;
                } 
            } else {
                count = 0;
            }
            prev = num;
        }

        System.out.println(max);
    }
}
/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