import java.io.*;

class iotest {
  public static void main(String[] argv) throws java.io.IOException {
    BufferedReader stdin = new java.io.BufferedReader
				       (new InputStreamReader(System.in));
    System.out.print("Input a double: ");
    System.out.flush();

    String         inpline;
    if((inpline = stdin.readLine()) != null) {
      double i = Double.valueOf(inpline).doubleValue();
      System.out.println("Double was " + i);
    } else
      System.out.println("Couldn't Read anything");
  }
}