#include<bits/stdc++.h>
using namespace std;
using ll = long long;

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("Yes")
#define p_no() p("No")

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll M;
    cin >> M;

    FOR(i, 0, M){
        ll a;
        cin >> a;

        vector<ll> A;
        while(a!=0){
            A.push_back(a%2);
            a = (a-1)/2;
        }
        reverse(ALL(A));
        for(ll a : A){
            if(a==0){
                cout << 'R';
            }else{
                cout << 'L';
            }
        }
        cout << endl;
    }
    
    return 0;
}