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

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