#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)


int m;
//-----------------------------------------------------------------
int main()
{
	cin >> m;
	rep(i, 0, m) {
		int a; cin >> a;
		string ans = "";
		while (0 < a) {
			if (a % 2 == 0) {
				ans += "R";
				a = a / 2 - 1;
			}
			else {
				ans += "L";
				a = a / 2;
			}
		}
		reverse(ans.begin(), ans.end());
		cout << ans << endl;
	}
}