#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
int c1,c2,c3,c4,c5,temp,i,j;
int main(){
    int n;
    int arr1[5];
    scanf("%d",&n);
    int *types = malloc(sizeof(int) * n);
    for(int types_i = 0; types_i < n; types_i++){
       scanf("%d",&types[types_i]);
    }
    for(int i=0; i<n; i++){
        if(types[i]==1)
            c1+=1;
        else if(types[i]==2)
            c2+=1;
        else if(types[i]==3)
            c3+=1;
        else if(types[i]==4)    
            c4+=1;
        else if(types[i]==5)
            c5+=1;
    }
    int arr[5]={c1,c2,c3,c4,c5};
    for(i=0;i<n;i++)
    {
	   for(j=i+1; j<n; j++)
	   {
		  if(arr[i]<arr[j])
		  {
			 temp=arr[j];
			 arr[j]=arr[i];
			 arr[i]=temp;
			 arr1[i]=j;
		  }
	   }
    }	
    printf("%d",arr1[0]-1);
    return 0;
}