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