#include<iostream>
using namespace std;
int main()
{
	int a,b,n,p,k;
	cin>>n>>a>>b;
	k=0;
	p=1;
	while(p<=b && k<n)
	{
		if(p>=a) { cout<<p<<" ";
				   k++;
		}
		p=p*2;
	}
	return 0;
}