#include <bits/stdc++.h>

std::string calc(int num) {
  std::string res;
  while( num != 0 ) {
    res.push_back( num == (num - 1) / 2 * 2 + 1 ? 'L' : 'R' );
    num = (num - 1) / 2;
  }
  std::reverse(res.begin(), res.end());
  return res;
}

int main() {
  int n;
  scanf("%d", &n);
  int a;
  for(int i = 0; i < n; ++i) {
    scanf("%d", &a);
    auto res = calc(a);
    std::cout << res << std::endl;
  }
  
  return 0;
}