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

int main(void) {
#ifdef DEBUG
  freopen("input.txt", "r", stdin);
#endif

  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  int M;
  cin >> M;
  int A[M];
  for (int i = 0; i < M; i++) {
    cin >> A[i];
  }

  string ans;
  for (int i = 0; i < M; i++) {
    ans = "";
    int ai = A[i];
    while (ai > 0) {
      if (ai % 2) {
        ans += "L";
        ai = (ai * 2 + 1) / 4;
      } else {
        ans += "R";
        ai = (ai * 2 - 1) / 4;
      }
    }
    reverse(ans.begin(), ans.end());
    cout << ans << endl;
  }
  return 0;
}