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


/* ====================================================================== */
/** This class converts decimals and binary
 *
 */
class DecimalToBinary {


	public static void main( String [] args ){
		int exponent = 6;
		int n = getBase10IntFromUser();
		while( exponent >= 0 ){
			int digit = (int)(n /Math.pow(2,exponent));
			if( digit == 0)
				appendNextDigit( 0 ); //adds digit to right end of number
			else {
				appendNextDigit( 1 ); //ditto
				n = (int)(n % (int)Math.pow(2,exponent));
				}
			exponent--;
		}
		printNumber();

	} //end main


    public static void printNumber(){  binary_number.printNumber(); }
    
    public static void appendNextDigit( int d ){ binary_number.appendNextDigit(d);}
    
	private static BinaryNumber binary_number = new BinaryNumber();
	
	public static int getBase10IntFromUser(){

		String message="";
		try{
			System.out.println("Type in a decimal number:");
			BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
			message = input.readLine();
			input.close();
		}catch(IOException e){System.out.println("Unable to read a number");}

		//this only happens if there was an exception
		return Integer.parseInt(message);

	} //method: read



	private static class BinaryNumber{

		private String number;

		public BinaryNumber(){
			this.number = "";
		}

		public void appendNextDigit( int d ){
			number = number + d;
		}

		public void printNumber(){
			System.out.println( "Binary Number = " + number);
		}

	}

} //class: DecimalToBinary