//Input an email from the user. You have to create a username from the 
//email by deleting the part that comes after ‘@’. Display that username to the user.
//Example : email = “apnaCollegeJava@gmail.com” ; username = “apnaCollegeJava” 
//email = “helloWorld123@gmail.com”; username = “helloWorld123”

package Strings;
import java.util.*;
public class DeleteSomePart {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String email =sc.next();
        String userName = "";

        for(int i=0; i<email.length(); i++){
            if(email.charAt(i) == '@'){
                break;
            }else{
                userName += email.charAt(i);
            }
        }

        System.out.println(userName);
    }
}