p_036

MILLION = 1000000
DECIMAL_FORMAT = "{0:d}"
BINARY_FORMAT = "{0:b}"


def is_palindromic(l):
    return l == l[::-1]


sum = 0
for i in range(1, MILLION):
    if is_palindromic(DECIMAL_FORMAT.format(i)) and is_palindromic(BINARY_FORMAT.format(i)):
        sum += i
print(sum)