def numtolr(a):
    b = list(bin(a)[3:])
    for i in range(len(b)):
        if b[i] == "0":
            b[i] = "L"
        else:
            b[i] = "R"
    return("".join(b))

bin_tree = [ numtolr(i+1) for i in range(4196) ]

n = int(input())
for i in range(n):
    x = int(input())
    print(bin_tree[x])