#include "bits/stdc++.h"
using namespace std;
#define ll long long int
#define rep(i,n) for( int i = 0; i < n; i++ )
#define rrep(i,n) for( int i = n; i >= 0; i-- )
#define REP(i,s,t) for( int i = s; i <= t; i++ )
#define RREP(i,s,t) for( int i = s; i >= t; i-- )
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define INF 2000000000
#define mod 1000000007
#define INF2 1000000000000000000


int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
	int m; cin >> m;
	rep(i, m) {
		int A; cin >> A;
		string S;
		while (A > 0) {
			if (A % 2 == 0) {
				S = S + "R";
			}
			else {
				S = S + "L";
			}
			A = (A - 1) / 2;
		}
		cout << S << endl;
	}

    return 0;
}