import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        final int N = Integer.parseInt(sc.next());
        long[] h = new long[N];
        for (int i = 0; i < N; i++) {
            h[i] = Long.parseLong(sc.next());
        }
        int max = 0;
        int cnt = 0;
        
        for (int i = 0; i < N - 1; i++) {
            if (h[i] >= h[i+1]) {
                cnt++;
                max = Math.max(max, cnt);
            } else {
                cnt = 0;
            }
        }
        
        out.println(max);
        
        out.flush();
    }
}
/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