N = int(input())
C = [0] * N
for i in range(N):
    C[i] = int(input())

ans = []
for i in range(N):
    m = C[i]
    t = ""
    while m != 0:
        if m % 2 == 0:
            m = (m-2) // 2
            t += "R"
        else:
            m = (m-1) // 2
            t += "L"

    ans.append(t[::-1])

for x in ans:
    print(x)