import java.util.*;

// Minimum operation to make all elements equal in array

public class minOpAeq

{

public static void main(String[] args) {

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();

}

HashMap<Integer,Integer> h=new HashMap<>();

for(int i=0;i<n;i++)

{

if(h.containsKey(arr[i]))

{

h.put(arr[i],h.get(arr[i])+1);

}

else

{

h.put(arr[i],1);

}

}

int max=0;

for(int i:h.keySet())

{

if(max<h.get(i))

{

max=h.get(i);

}

}

System.out.print("Min operations is "+(n-max));

}

}