import java.util.*;

public class Main{
  
  public static void main(String[] args){
    
    Scanner sc = new Scanner(System.in);
    
    int N = sc.nextInt();
    int[] list = new int[N];
    for(int i = 0; i < N ; i++){
      list[i] = sc.nextInt();
    }
    
    int count = 0;
    int Max = 0;
    for(int i = 1; i < N ; i++){
     if(list[i-1] >= list[i]){
       count++;
       if(Max < count){
         Max = count;
       } 
     }else{
       if(Max < count){
         Max = count;
       }  
       count = 0;
     }
    }
   
     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