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

void solve(){
  int a;
  cin >> a;
  string str;
  while(a > 0){
    if(a % 2 == 0){
      a = (a - 2) / 2;
      str += "R";
    }else{
      a = (a - 1) / 2;
      str += "L";
    }
  }
  reverse(str.begin(), str.end());
  cout << str << endl;
}


int main(){
  int m;
  cin >> m;
  for(int i = 0; i < m; i++){
    solve();
  }
}