def get_digit(n):
    n -= 1
    i = 0
    while True:
        count_digit = (i + 1) * 9 * (10 ** i)
        if n < count_digit:
            break
        n -= count_digit
        i += 1
    num, index = divmod(n, i + 1)
    return int(str(num + 10 ** i)[index])

def multi_digit(limit):
    multi = 1
    n = 1
    while n < limit + 1:
        multi *= get_digit(n)
        n *= 10
    return multi

print(multi_digit(1000000))