import java.io.*;

import java.util.*;

import java.text.*;

import java.math.*;

import java.util.regex.*;

public class HRSorting {

public static void sortingArray(int[] arr){

int temp = 0;

int swap = 0;

for(int i = 0 ; i <= arr.length - 1 ; i++){

for(int j = 0 ; j < arr.length - 1; j++){

temp = arr[j + 1];

if(arr[j] > arr[j + 1]){

arr[j + 1] = arr[j];

arr[j] = temp;

swap = swap + 1;

}

}

}

System.out.println("No of swaps in sorting the array is :: "+ swap);

}

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

int n = in.nextInt();

int[] a = new int[n];

for(int a_i = 0; a_i < n; a_i++){

a[a_i] = in.nextInt();

}

// Write Your Code Here

sortingArray(a);

}

}