Problem: 

Input

The input contains a single integer a (0 ≤ a ≤ 35).

Output

Output a single integer.

Examples

Input

3


Output

8


Input

10


Output

1024

Solution (in PYTHON3):

Solution:
a = bin(int(input()))
a = a[:2] + "0" * (8 - len(a)) + a[2:]
ans = a[:2] + a[2] + a[7] + a[5] + a[4] + a[6] + a[3]
print(int(ans, 2))