import java.io.*;
import java.io.FileInputStream;
import java.util.*;

public class CTestF {
   
   public static void main (String[]args)throws Exception
   {
      InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader (isr);      
      PrintStream flujoS = System.out;
      
      InputStream iS = new FileInputStream("Hola.txt");//usando el metodo available()
      
      char car = 0;
      //int ncars;
      int tam;
      //int s1;
      //String cad="";
      
      try
      {
         //1
         flujoS.print("Caracter: ");
         car = (char)br.read();
         flujoS.println(car);
         
         //2
         tam = Integer.parseInt(br.readLine());  //el metodo readLine() pertenece a la clase BufferedReader
         br.skip(tam);
         
         //3
         tam = iS.available(); //el metodo available es de la clase InputStream
         br.skip(tam);//el metodo skip pertenecen a la clase System
         
         //4
         flujoS.print("Caracter: ");
         car = (char)br.read();
         flujoS.print(car);
         
      }catch(IOException e)
      {
         e.printStackTrace();
      }
   }
}