#!/usr/bin/env python3


CONV_TABLE = str.maketrans("01", "LR")


def compute_path(a):
    return bin(a + 1)[3:].translate(CONV_TABLE)


def main():
    m = int(input())
    print(*(compute_path(int(input())) for _ in range(m)), sep="\n")


if __name__ == '__main__':
    main()