zadacha4

package Prog;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {

    public static void fillArray(HashMap<Integer, Integer> map, int[] num) {
        for (int val : num) {
            if (map.containsKey(val)) {
                int count = map.get(val) + 1;
                map.put(val, count);
            } else {
                map.put(val, 1);
            }
        }
    }

    public static void print(HashMap<Integer, Integer> map) {
        for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
            System.out.println(entry.getKey() + " -> " + entry.getValue());
        }
    }

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        String[] input = scan.nextLine().split(" ");
        int[] num = new int[input.length];
        for (int i = 0; i < input.length; i++) {
            num[i] = Integer.parseInt(input[i]);
        }

        HashMap<Integer, Integer> map = new HashMap<>();
        fillArray(map, num);
        print(map);

    }
}