public class kettonhatvany {
  public void prog( String args[] ) {
    int n;
    double x;
    n = 0;
    x = 1;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );
    n = n - 1;
    x = x / 2;
    System.out.println( "2^"+n+"="+x );    
  }

  public static void main( String args[] ) {
    kettonhatvany e = new kettonhatvany();
    e.prog( args );
  }
}