m = int(input())

arr = []

for i in range(m):
	arr.append(int(input()))

ans = [''] * 5000

for i in range(4094):
	if i*2+2 >= 4200:
		break

	ans[i*2+1] = ans[i]+'L'
	ans[i*2+2] = ans[i]+'R'


for i in arr:
	print ans[i]