/*
 *  File:       Powers.java
 *  Author:     Stephen Gilmore
 *  Copyright:  University of Edinburgh
 *
 *  Powers.java,v 1.4 2002/10/22 08:59:52 s0239160 Exp
 */

import java.math.BigInteger;
class Powers {
    public static void main(String[] args) {
        final BigInteger two = new BigInteger("2");
        BigInteger I = new BigInteger("1");
        while (true) {
            I = I.multiply(two);
            System.out.println(I);
        }
    }
}