Again?

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.Examplesinput

A278832

output

0

input

A089956

output

0

input

A089957

output

1

input

A144045

output

1

Solution:

#include <bits/stdc++.h>

using namespace std;

int main() {
ios::sync_with_stdio(false);
cin.tie(0);
string s;
cin >> s;
cout << (s.back() % 2) << '\n';
  return 0;
}