#include <string>
#include <iostream>
#include <algorithm>

std::string calc(int number)
{
    std::string tempstring;
    int temp = number;
    while(temp)
    {
        if(temp%2)
            tempstring.append("1");
        else
            tempstring.append("0");
        temp = temp/2;
    }

    std::reverse(tempstring.begin(),tempstring.end());
    return tempstring;
}
int _tmain(int argc, _TCHAR* argv[])
{
    while(1)
    {
        int number = 0;
        std::cout << "Enter a Number\n";
        std::cin >> number;
        std::cout << calc(number) << "\n";
    }

}