/* 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
	{
		// your code goes here
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		int arr[]=new int[n];
 
		for(int i=0;i<n;i++)
		arr[i]=sc.nextInt();
 
		Map<Integer,Integer> m=new HashMap<>();
		for(int ele:arr)
		m.put(ele,m.getOrDefault(ele,0)+1);
 
		int max=0;
		for(Map.Entry<Integer,Integer> entry: m.entrySet())
		{
			max=Math.max(max,entry.getValue());
		}
 
		System.out.println(n-max);
	}
}

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