def is_kaprekar(n):
    sn = str(n * n)
    sn = '0' + sn if len(sn) % 2 else sn
    d = len(str(n))
    return int(sn[-d:]) + int(sn[:-d]) == n


def kaprekarNumbers(p, q):
    # Write your code here
    numbers = []

    for i in range(p, q + 1):
        if is_kaprekar(i):
            numbers.append(str(i))

    if len(numbers):
        print(*numbers)
    else:
        print("INVALID RANGE")