Again?
Description
The only line of the input contains a 7-digit hexadecimal number. The first "digit" of the number is letter A, the rest of the "digits" are decimal digits 0-9.
Output a single integer.
Input
The only line of the input contains a 7-digit hexadecimal number. The first "digit" of the number is letter A, the rest of the "digits" are decimal digits 0-9.
Output
Output a single integer.
Samples
A278832
0
A089956
0
A089957
1
A144045
1