package com.javarush.task.task19.task1922;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
public class Solution {
public static List<String> words = new ArrayList<String>();
static {
words.add("файл");
words.add("вид");
words.add("В");
}
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String name = reader.readLine();
reader.close();
BufferedReader reader1 = new BufferedReader(new FileReader(name));
while (reader1.ready()) {
String s5 = reader1.readLine();
String s= s5.toString();
// System.out.println(s);
String []strings = s.split(" ");
int count = 0;
String s1 = "";
for (int i=0; i<strings.length; i++){
if(strings[i].equals(words.get(0))||strings[i].equals(words.get(1))||strings[i].equals(words.get(2))){
count++;
s1+=strings[i]+" ";}
}
if(count==2){
System.out.println(s1);
}else continue;
}
reader1.close();
}
}