public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
HashMap<String, String> map = new HashMap<>();
while (true) {
String name = reader.readLine();
if (name.isEmpty()) break;
String id = reader.readLine();
map.put(name, id);
if (id.isEmpty()) break;
}
for (Map.Entry<String, String> pair : map.entrySet()) {
String key = pair.getKey();
String value = pair.getValue();
System.out.println(value + " " + key);
}
}
}package com.javarush.task.task10.task1019;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
/*
Функциональности маловато!
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
HashMap<String, String> map = new HashMap<>();
while (true) {
String name = reader.readLine();
if (name.isEmpty()) break;
String id = reader.readLine();
map.put(name, id);
if (id.isEmpty()) break;
}
for (Map.Entry<String, String> pair : map.entrySet()) {
String key = pair.getKey();
String value = pair.getValue();
System.out.println(value + " " + key);
}
}
}