#include <string>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <iostream>
#include <vector>
#include <algorithm>
#include <stdlib.h>


int main()
{
    int type[5] = { 0 };
    int n = 0, x = 0;

    int max = 0;

    std::cin >> n;

    for(int i = 0; i < n; i++)
    {
        std::cin >> x;
        type[x-1]++;
    }

    for(int j = 1; j < 5; j++)
        if(type[j] > type[max])
            max = type[j];

    std::cout << max+1;

    return 0;
}