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package com.javarush.task.task10.task1019;
/*
Функциональности маловато!
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
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<>();
while(true){
try {
int id = Integer.parseInt(reader.readLine());
String name = reader.readLine();
map.put(name,id);
}
catch (NumberFormatException a){
break;
}
}
for(Map.Entry map1:map.entrySet()) {
String key= (String) map1.getKey();
int value=(int) map1.getValue();
System.out.println(key+" "+value);
}
}
}