import java.util.*;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    ArrayList<Integer> list = new ArrayList<Integer>();
    for(int i = 0; i < n; i++){
      list.add(sc.nextInt());
    }
    
    int maxCnt = 0;
    int cnt = 0;
	
    for(int i = 0; i < list.size() - 1; i++){
      int target = i;
      for(int j = i + 1; j < list.size(); j++){
        if(list.get(target + 1) <= list.get(target)){
          cnt++;
          target++;
        }else{
          break;
        }
      }
      if(cnt > maxCnt){
        maxCnt = cnt;
      }
      i += cnt;
      cnt = 0;
    }
    System.out.println(maxCnt);
  }
}
/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