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()))[2:]
a=(6-len(a))*'0'+a
b=a[0]+a[5]+a[3]+a[2]+a[4]+a[1]
print(int(b,2))