N = int(input())
a = [int(input()) for _ in range(N)]

def LR(n):
    s = bin(n+1)[2:]
    r = ""
    for k in range(1,len(s)):
        if s[k] == "1":
            r += "R"
        else:
            r += "L"
    return r

for k in a:
    print(LR(k))