import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
    int[] arr = new int[n];
    int ans = 0;
    int max = 0;
    for(int i = 0; i < n; i++){
      arr[i] = scan.nextInt();
    }
    for(int i = 0; i < n-1; i++){
      if(arr[i] >= arr[i+1]){
        ans++;
        if(max < ans){max = ans;}
      }else{
        ans = 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