#!/usr/bin/env pypy

from tqdm import tqdm

count = 0


def reverse(data):
    return int(''.join(reversed(str(data))))


def is_all_uneven(data):
    for i in str(data):
        if int(i) % 2 == 0:
            return False
    return True


for i in tqdm(xrange(int(1e8))):
    if i % 10 == 0:
        continue

    r = reverse(i)
    su = i + r
    if is_all_uneven(su):
        count += 1

print("Found {0} nums".format(count))