import java.io.*; 
  
public class ClassRoster 
{ 
  public static void main(String[] argv) throws Exception 
  { 
    BufferedReader cin; 
    cin = new BufferedReader(new InputStreamReader(System.in)); 
  
    // read a student's name from the keyboard (see 5.1) 
    String name; 
    System.out.print("What is your name? "); 
    name = cin.readLine(); 
  
    // write the student's name to classRoster.txt 
    PrintWriter fout; 
    fout = new PrintWriter(new FileWriter("classRoster.txt", true)); 
    fout.println(name); 
    fout.close(); 
  } 
}