#include <iostream>
#include <cstdint>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;

int main() {

  ios::sync_with_stdio(false);
  cin.tie(0);

  int x, y;
  cin >> x;
  vector<int> v(x);

  for (auto& i : v) {
    cin >> i;
  }

  string s;

  for (size_t i = 0; i < v.size(); i++) {
    y = v.at(i);
    while (y > 0) {
      if (y & 1) {
        s.push_back('L');
        y = (y - 1) / 2;
      } else {
        s.push_back('R');
        y = (y - 2) / 2;
      }
    }
    reverse(begin(s), end(s));
    for (auto j : s) {
      cout << j;
    }
    cout << endl;
    s.clear();
  }
  return 0;
}