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

int main() {
  int m;
  cin>>m;
  for (int i=0; i<m; i++) {
    int a;
    cin>>a;
    vector<char> route;
    while (a > 0) {
      if (a % 2 == 0) {
        route.push_back('R');
        a = (a - 2) / 2;
      } else {
        route.push_back('L');
        a = (a - 1) / 2;
      }
    }
    reverse(route.begin(), route.end());
    for (char c: route) {
      cout<<c;
    }
    cout<<endl;
  }
}