#include <iostream>
using namespace std;

void BinaryForm(int n)
{
	int temp = n;
	int array[100];
	int u = -1;
	if (n == 0)
		cout << "Dang nhi phan cua so " << temp << " la : 0";
	else
	{
		while (n > 0)
		{
			array[++u] = n % 2;
			n = n / 2;
		}
		cout << "Dang nhi phan cua so " << temp << " la :";
		for (int i = u; i >= 0; i--)
			cout << array[i];
	}
}

void main()
{
	int n;
	do {
		cout << "Nhap 1 so nguyen khong am:";
		cin >> n;
	} while (n < 0);
	BinaryForm(n);
}