#include <iostream>
#include <vector>
#include <iomanip>
#include <algorithm>
#include <cmath>
using namespace std;
using ll = long long;

int main()
{
  int m, c;
  cin >> m;
  while (m--)
  {
    cin >> c;
    string ans = "";
    while (c)
    {
      ans.push_back((c & 1 ? 'L' : 'R'));
      c = (c - 1) >> 1;
    }
    reverse(ans.begin(), ans.end());
    cout << ans << '\n';
  }

  return 0;
}