#include <iostream>
#include <string>
#include <set>
#include <stdlib.h>


using namespace std;

// the ultimate cute solution
// it's trivial to prove that, if a solution exists, this will find it

#ifdef _MSC_VER
typedef unsigned __int64 uint64_t;
#endif

void process(string s)
{
	cout << s << " = ";
	char *end;
	uint64_t r = strtoul(s.c_str(), &end, 10);
	uint64_t w = 1;
	while(r)
	{
		uint64_t n=w*3;
		if(r%n == 0)
			cout << "N";
		else if((r+w)%n == 0) {
			cout << "L";
			r+=w;
		} else if((r-w)%n == 0) {
			cout << "R";
			r-=w;
		} else
			cout << "B"; // B for barf
		w=n;
	}
	cout << endl;
}

int main()
{
	while(cin)
	{
		string s;
		cin >> s;
		if(s.empty()) continue;
		process(s);
	}

	return 0;
}