/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
 
		Pattern user_pat = Pattern.compile("^(.+?)@Psp\\.AdyenPspService");
                            Matcher m = user_pat.matcher("alix@Psp.AdyenPspService");
                            if (m.find()) {
                                //log.warn(m);
                                System.out.print(m.group(1));
                            }else{
                            	System.out.print("niks");
                            }
 
 
	}
}

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