import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] h = new int[n];
        
        for(int i=0; i<n; i++){
            h[i] = sc.nextInt();
        }
        
        int tmp = h[0];
        List<Integer> counts = new ArrayList<>();
        int count = 0;
        for(int j=1; j<n; j++){
            if(tmp >= h[j]){
                count++;
            }
            else{
                counts.add(count);
                count = 0;
            }
            tmp = h[j];
        }
        counts.add(count);
        
        System.out.println(Collections.max(counts));
    }
}
/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