import queue
que=queue.Queue()
que.put(0)
dp=['']*10010
while not que.empty():
    v=que.get()
    if v>=5000:
        continue
    dp[v*2+1]=dp[v]+'L'
    dp[v*2+2]=dp[v]+'R'
    que.put(v*2+1)
    que.put(v*2+2)
N=int(input())
for i in range(N):
    A=int(input())
    print(dp[A])