#include<iostream>
using namespace std;
int a[10005];
int main()
{	
	int z,b,c=0,n,i,j,t;
	cin>>n;
	for(i=0;i<=n;i++)
	{
		cin>>a[i];
	}
	for(j=0;j<n;j++)
	{
		cout<<j<<endl;
		for(i=0;i<n;i++)
		{
			if(a[i]>a[i+1])
			{
				t=a[i];
				a[i]=a[i+1];
				a[i+1]=t;
				c++;
			}
		}
	}
	cout<<c;
	return 0;
	
}