Ranking

package AssociativeArraysExercise;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Ranking {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        String line = reader.readLine();

        Map<String, String> contestAndPassword = new HashMap<>();

        while (!line.equals("end of contests")){
            String[] inputs = line.split(":");
            String contest = inputs[0];
            String password = inputs[1];
            contestAndPassword.put(contest,password);


            line = reader.readLine();
        }

        String text = reader.readLine();

        Map<String, List<String>> submissions = new HashMap<>();

        while (!text.equals("end of submissions")){
            String[] inputs = text.split("=>");
            String contest2 = inputs[0];
            String password2 = inputs[1];
            String username = inputs[2];
            int points = Integer.parseInt(inputs[3]);

            if (contestAndPassword.containsKey(contest2)
                    && password2.equals(contestAndPassword.get(contest2))){
                submissions.put(username,new ArrayList<>());
                submissions.get(username).add(contest2);
            }

            text = reader.readLine();
        }
    }
}