import java.util.Scanner;

class Main{
  static void trace(int[] a){
    int i;
    for(i = 0; i < a.length - 1; i++)
      System.out.print(a[i] + " ");
    System.out.println(a[i]);
  }

  public static void main(String[] args){
    Scanner stdIn = new Scanner(System.in);
    int n = stdIn.nextInt();
    int a[] = new int[n];
    for(int i = 0; i < n; i++)
      a[i] = stdIn.nextInt();

    int count = 0;
    for(int i = 0; i < n; i++)
      for(int j = n-1; j > i; j--){
        if(a[j] < a[j-1]){
          int tmp = a[j];
          a[j] = a[j-1];
          a[j-1] = tmp;
          count++;
        }
      }

    trace(a);
    System.out.println(count);

  }
}
/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