#include <stdio.h>
#include <stdbool.h>

int main()
{
	while (true)
	{
		unsigned long long zahl = 0;
		unsigned long long rev = 0;

		printf("Enter number:");
		scanf_s("%lld", &zahl);

		while (zahl > 0) {
			rev <<= 1;

			if ((zahl & 1) == 1) {
				rev ^= 1;
			}

			zahl >>= 1;
		}

		while (rev > 0)
		{
			printf("%d", ((rev & 1) == 1) ? 1 : 0);
			rev >>= 1;
		}

		printf("\n");
	}

	return 0;
}