import java.util.*;

/*
Нам повторы не нужны
*/

public class Solution {
    public static HashMap<String, String> createMap() {
        //напишите тут ваш код
        HashMap<String,String>  maaap = new HashMap<>();
        maaap.put("1","2");
        maaap.put("7","1");
        maaap.put("6","2");
        maaap.put("8","2");
        maaap.put("9","1");
        maaap.put("5","3");
        maaap.put("4","4");
        maaap.put("3","5");
        maaap.put("2","6");
        maaap.put("10","7");

        return maaap;

    }

    public static void removeTheFirstNameDuplicates(Map<String, String> map) {
        //напишите тут ваш код

        ArrayList<String> list = new ArrayList<>();

        for (int i = 0; i < map.size(); i++) {
            list.add(String.valueOf(map.values()));
        }


        for (int i = 0; i < list.size(); i++) {
            for (int j = 0; j < list.size(); j++) {

                if (list.get(i).equals(list.get(j)))
                    removeItemFromMapByValue(map,list.get(i));
            }
        }



    }

    public static void removeItemFromMapByValue(Map<String, String> map, String value) {
        HashMap<String, String> copy = new HashMap<String, String>(map);
        for (Map.Entry<String, String> pair : copy.entrySet()) {
            if (pair.getValue().equals(value))
                map.remove(pair.getKey());



        }

    }

    public static void main(String[] args) {

    }
}