#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
	int i {1};

	while (i <= 1024) {    //means "i is less than 10"
		cout << i << "\n";
		i *= 2;		//i *= 2 means i= i * 2
		//++i;		// means i = i + 1
		//i += 2;	    //means i = i + 2;
		//--i;	    // means i = i - 1
	}

	return EXIT_SUCCESS;
}