import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] types = new int[n];
        for(int types_i=0; types_i < n; types_i++){
            types[types_i] = in.nextInt();
        }
        int typ1=0;
        int typ2=0;
        int typ3=0;
        int typ4=0;
        int typ5=0;
        for(int i=0;i<n;i++){
            if(types[i]==1){
                typ1++;
            }
            else if(types[i]==2){
                typ2++;
            }
            else if(types[i]==3){
                typ3++;
            }
            else if(types[i]==4){
                typ4++;
            }
            else if(types[i]==5){
                typ5++;
            }
        }
       int[] lst=new int[5];
        lst[0]=typ1;
        lst[1]=typ2;
        lst[2]=typ3;
        lst[3]=typ4;
        lst[4]=typ5;
        
        int temp=0;
        for(int j=1;j<6;j++){
            for(int k=j+1;k<5;k++){
                if(lst[j]>lst[k]){
                    temp=lst[k];
                    lst[k]=lst[j];
                    lst[j]=temp;
                }
            }
        }
        if(lst[4]==typ1){
            System.out.println(1);
        }
        else if(lst[4]==typ2){
            System.out.println(2);
        }
        else if(lst[4]==typ3){
            System.out.println(3);
        }
        else if(lst[4]==typ4){
            System.out.println(4);
        }
        else if(lst[4]==typ5){
            System.out.println(5);
        }
        
        // your code goes here
    }
}