day28.scala

import scala.io.StdIn.{readInt,readLine}
import scala.io.Source

object Solution {
    def main(args: Array[String]) {
        val count = readInt()
        val phoneBook = (1 to count).foldLeft(List[String]())((phoneBook, _) => {
            readLine().split(" ") match {
                case Array(k, v) if v.endsWith("@gmail.com") => phoneBook :+ k
                case _ => phoneBook
            }
        })
        
        for (name <- phoneBook.sorted) {
            println(name)
        }
    }
}