07. Fix Emails

package DPM;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        LinkedHashMap<String, String> contact = new LinkedHashMap<>();
        String line = scan.nextLine();
        while (!line.equals("stop")){
            String fline = line;
            String sLine = scan.nextLine();
            String dotCom = sLine.substring(sLine.length()-2);
            if (dotCom.equals("bg")){
                contact.put(fline, sLine);
            }
            line=scan.nextLine();
        }
        for (Map.Entry<String, String> entry : contact.entrySet()) {
            System.out.println(entry.getKey() + " -> " +entry.getValue());
        }
    }
}