package main

import (
	"fmt"
)

func main() {
	var m, a int
	var ans string
	fmt.Scan(&m)
	for i := 0; i < m; i++ {
		fmt.Scan(&a)
		ans = ""
		for a > 0 {
			//println(a)
			if a % 2 == 0  {
				a = a / 2 - 1
				ans = "R" + ans
			}else{
				a = a / 2
				ans = "L" + ans
			}
		}
		fmt.Println(ans)
	}
}