import java.io.RandomAccessFile;
import java.io.*;
import java.util.StringTokenizer;
public class Kodutoo1{
  public static void main (String argumendid[]) throws IOException{
    String rida ;
    BufferedReader klaviatuur=new BufferedReader(
    new InputStreamReader(System.in));
    System.out.println ("Palun failinimi:");
    String failinimi=klaviatuur.readLine();
    System.out.println ("Palun sona");
    String sona=klaviatuur.readLine();
    RandomAccessFile rf=new RandomAccessFile(failinimi,"r");
   // BufferedReader rf=new BufferedReader(
    //  new FileReader (failinimi)
   // );
    rida=rf.readLine();
     while(rida!=null){
     StringTokenizer st=new StringTokenizer(rida," ");
     while(st.hasMoreTokens()){
       String s=st.nextToken();
       if(s.indexOf(sona)>=0){
         System.out.println(s);
       }
      }
      rida=rf.readLine();
     }
     rf.close();
  System.out.println("edasi");
  for(int koht=0;koht<=sona.length()-2; koht++){
    System.out.println(koht);
   sonad(sona.substring(koht,koht+2), failinimi);
  }
}
   
  static void sonad(String tahed, String failinimi)throws IOException{
    System.out.println(tahed);
    RandomAccessFile rf=new RandomAccessFile(failinimi,"r");
    String rida=rf.readLine();
    while(rida!=null){
     StringTokenizer st=new StringTokenizer(rida," ");
     while(st.hasMoreTokens()){
     String s=st.nextToken();
      if(s.indexOf(tahed)>=0) {
        System.out.println(s);
      }
     }
    rida=rf.readLine();
    }
  rf.close();
}
}