/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int a[] = {5,1,4,8,3,9};
		int ans = 0;
		for(int i = 5; i >= 0; i--){
			int temp = 0;
			for(int j = 0; j < 6; j++){
				for(int k = 5; k >= 0; k--){
					if(k >= i && i >= j && a[k] < a[i])
						temp++;
				}
 
			}
			ans += temp / i;
		}
 
		System.out.println(ans);
	}
}

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