import java.io.*;
public class ConsoleReader {
	public static final boolean SECURE_MODE_ON = true;
	public static final boolean SECURE_MODE_OFF = false;
	BufferedReader br;
	boolean secureMode;
	public ConsoleReader() {
		this( SECURE_MODE_ON );
	}
	public ConsoleReader(boolean secMod ) {
		br = new BufferedReader( new InputStreamReader( System.in ) );
		secureMode = secMod;
	}
	public String readString() {
		try {
			return br.readLine();
		} catch (Exception e) {
			if ( secureMode )
				throw new ConsoleReaderException( e );
			return "";
		}
	}
	public Integer readInteger() {
		Integer theInteger = null ;
		try {
			theInteger = new Integer( br.readLine() );
		} catch (Exception e) {
			if ( secureMode )
				throw new ConsoleReaderException( e );
			theInteger = new Integer( 0 );
		}
		return theInteger;
	}
	public Double readDouble() {
		Double theDouble = null ;
		try {
			theDouble = new Double( br.readLine() );
		} catch (Exception e) {
			if ( secureMode )
				throw new ConsoleReaderException( e );
			theDouble = new Double( 0 );
		}
		return theDouble;
	}
}