import java.io.*;
public class Lugeja1{
   public static void main(String[] arg) throws IOException{
      BufferedReader sisse=new BufferedReader(new FileReader("sisend.txt"));
      String rida=sisse.readLine();
      while(rida!=null){
        String[] m=rida.split(" ");
        boolean sleitud=false;
        boolean nnleitud=false;
        for(int i=0; i<m.length; i++){
          if(m[i].equals("S")){sleitud=true;}
          if(m[i].equals("@<NN")){nnleitud=true; }
        }
        if(sleitud && nnleitud){
          System.out.println(m[0].substring(4, m[0].length()-1));
        }
        rida=sisse.readLine();
      }
   }
}