import structure5.*;
import java.util.Iterator;

public class BIterator extends AbstractIterator<String> {
    protected int n;
    protected int current;

    public BIterator(int n) {
	this.n = n;
	reset();
    }

    public void reset() {
	current = 0;
    }

    public String next() {
	String nextBit = get();
	current++;
	return nextBit;
    }

    public boolean hasNext() {
	return current < 32;
    }

    public String get() {
	int whichBit = 1 << current;
	boolean isSet = (n & whichBit) == whichBit;
	return isSet ? "1" : "0";
    }
}