import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int n = sc.nextInt();

    int count = 0;
    int max = 0;
    long a = sc.nextLong();
    long b ;

    for(int i=0; i<n-1; i++){
      b = sc.nextLong();
      if(a>=b){
        count += 1;
        if(max<count){
          max = count;
        }
      }else{
        count = 0;
      }
      a = b;
    }
    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