import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N,*A = map(int,read().split())

words = [''] * 4095

for n in range(1,4095):
    words[n] = words[(n-1)//2] + ('L' if n&1 else 'R')

print('\n'.join(words[n] for n in A))