package com.javarush.task.task08.task0812;

import java.io.*;
import java.util.ArrayList;
import java.util.Scanner;

/*
Cамая длинная последовательность
*/
public class Solution {
    public static void main(String[] args) throws IOException {
        ArrayList<Integer> list = new ArrayList();
        getList(list);
        ArrayList<Integer> newList = getNewList(list);
        System.out.println(getResult(newList, list));
    }

    public static void getList(ArrayList<Integer> list) {
        Scanner scanner = new Scanner(System.in);

        for (int i = 0; i < 10; i++) {
            list.add(Integer.parseInt(scanner.nextLine()));
        }
    }

    public static ArrayList<Integer> getNewList(ArrayList<Integer> list) {
        ArrayList<Integer> newList = new ArrayList<>();

        for (Integer item : list) {
            if(!newList.contains(item))
                newList.add(item);
        }

        return newList;
    }

    public static int getResult(ArrayList<Integer> newList, ArrayList<Integer> list) {
        int result = 0;

        for (Integer i : newList) {
            int counter = 0;
            for (Integer j : list) {
                if (i == j)
                    counter++;
            }
            if (result < counter)
                result = counter;
        }

        return  result;
    }
}