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];
        
        int one=0, two=0, three=0, four=0, five=0;

        for(int types_i=0; types_i < n; types_i++){
            types[types_i] = in.nextInt();
            
                     //   System.out.println(types[types_i]);
            
            if(types[types_i] == 1){
                one++;
            }
            else if(types[types_i] == 2){
                two++;
            }
            else if(types[types_i] == 3){
                three++;
            }
            else if(types[types_i] == 4){
                four++;
            }
            else if(types[types_i] == 5){
                five++;
            }

        }
                   // System.out.println();

        // your code goes here


           //     System.out.println(one);
             //   System.out.println(two);
               // System.out.println(three);
                //System.out.println(four);
                //System.out.println(five);
        
             //   System.out.println();

        
        int[] highest = {one, two, three, four, five};
        
        int maxi = highest[0];
        
        for(int j: highest){
            if(j > maxi){
                maxi = highest[j];
            }
        }
        
        System.out.println(maxi+1);
        
    }
}