zNyWZqG4

1import java.io.*;
2import java.util.*;
3import java.text.*;
4import java.math.*;
5import java.util.regex.*;
6
7public class Solution {
8
9    public static void main(String[] args) {
10        Scanner in = new Scanner(System.in);
11        int N = in.nextInt();
12        String t = "/@gmail.com";
13        List<String> gmail = new ArrayList<String>();
14        Pattern p = Pattern.compile(t);
15        
16        
17        for(int a0 = 0; a0 < N; a0++){
18            String firstName = in.next();
19            String emailID = in.next();
20            Matcher m = p.matcher(emailID);
21            if (m.find()) {
22                gmail.add(firstName);
23            }
24        }
25        
26     System.out.println(gmail);   
27        
28        
29    } // main
30    
31}