import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int count = 0;
        int maxCount = 0;
        int N = in.nextInt();
        int actual = in.nextInt();
        for (int i = 1; i < N; i++) {
            int siguiente = in.nextInt();
            if(actual >= siguiente){
                count++;
            }else{
                if(maxCount< count){
                    maxCount = count;
                }
                count = 0;
            }
            
            actual = siguiente;
            
        }
        
        if(maxCount< count){
            maxCount = count;
        }
        System.out.println(maxCount);
                
    }
    
}
/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