import java.util.*;
import java.lang.*;
import java.io.*;
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String str = "role1@role2@role3@role4$arole";
		String[] res = str.split("(?=[@$])");
		System.out.println(Arrays.toString(res));
	}
}