#include<stdio.h>
#include<windows.h>


void f(unsigned int n,int indexBit)
{
	if (indexBit < 31)
	{
		indexBit++;
		f(n>>1,indexBit);
	}
	printf("%d", n&1);
}

int main()
{
	int d = 0, i = 0, n=32;
	scanf("%d", &d);


	f(d,0);
	/*for(i=0;i<n;i++)
	{
		printf("%d", d&1);
		d = d >> 1;
	}*/




	//f(0);

	//signed int n = 0;

	system("pause>0");
	return 0;
}