import java.io.*;

class UseCharListsA1
{
// A simple program which reads characters,
// makes a list out of them, and prints it. 

 public static void main(String[] args) 
 throws IOException
 {
  BufferedReader in = Text.open(System.in);
  CharListA L;
  char ch1,ch2,ch3;
  System.out.print("Enter first character: ");
  ch1=Text.readChar(in);
  System.out.print("Enter second character: ");
  ch2=Text.readChar(in);
  System.out.print("Enter third character: ");
  ch3=Text.readChar(in);

  L = new CharListA(ch3,null);
  L = new CharListA(ch2,L);
  L = new CharListA(ch1,L);

  System.out.print("The list is: ");
  printCharListA(L);
  System.out.println();
 }

 public static void printCharListA(CharListA L)
 {
  System.out.print("[");
  if(L!=null)
     {
      System.out.print(L.head);
      for(CharListA ptr=L.tail;ptr!=null;ptr=ptr.tail)
          System.out.print(","+ptr.head);
     }
  System.out.print("]");
 }
}