/my solution to problem http://codeforces.com/problemset/problem/897/B in python

even_palindrome.py

num_digit = 0
num_palindrome = 0
count = 0
n = 0
palindrome = 0
mod = 0
arr_sum = 0

s = input()
num_palindrome, mod = map(int, s.split())


while(num_palindrome > count):

    count += 1
    remainder = 0
    rev_num = 0
    num_digit = 0

    n = count;
    while(n != 0):
        n = n // 10
        num_digit += 1
 
    n = count
    while(n != 0):
        remainder = n % 10
        rev_num = rev_num * 10 + remainder
        n = n // 10


    palindrome = count * (10 ** num_digit) + rev_num
    #print(palindrome)
    #print(" count: ", count)

    arr_sum +=palindrome
    
#end of while loop


print((arr_sum % mod))