#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int m;
  cin >> m;
  rep(_, m) {
    int x;
    cin >> x;
    ++x;
    string ans = "";
    while (x > 1) {
      ans += (x % 2 ? 'R' : 'L');
      x /= 2;
    }
    reverse(ans.begin(), ans.end());
    cout << ans << '\n';
  }
  return 0;
}