/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* 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
	{
		String val = "1123456@lopoa";
		String[] vals = val.split("@");
		System.out.println(vals[0]);
	}
}