952_A. Quirky Quantifiers


Input

The input contains a single integer a (10 ≤ a ≤ 999).

Output

Output 0 or 1.

Examples

Input

13


Output

1


Input

927


Output

1


Input

48


Output

0
```python
b=int(input())
if b%2==0:
    print(0)
else:
    print(1)
```