while (N1>0) {
			N2=N1/10;
			N3=N1-(N2*10);
			QS+=N3;
			N1/=10;
			Stellen++;
		}
		
		while (Stellen>0) {
			N2=QS/10;
			N3=QS-(N2*10);
			iQS+=N3;
			QS/=10;
			Stellen--;
		}