need a lil help
package com.codegym.task.task10.task1019;
import java.io.*;
import java.util.HashMap;
/*
Functionality is not enough!
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
HashMap<String, Integer> map = new HashMap<String, Integer>();
//int id = Integer.parseInt(reader.readLine());
//String name = reader.readLine();
//System.out.println("Id=" + id + " Name=" + name);
while(true){
String s1 = reader.readLine();
if(s1.equals("")){
break;
}
String s2 = reader.readLine();
if(s1.equals("")){
map.put(s2, Integer.parseInt(s1));
break;
}
map.put(s2,Integer.parseInt(s1));
}
for(HashMap.Entry<String, Integer>entry : map.entrySet() ){
System.out.println(entry.getValue() + "" + entry.getKey());
}
}
}