#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int n;
    cin >> n;

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