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:
from sys import stdin,stdout
n=int(stdin.readline())
b=list(bin(n)[2:].zfill(6))
l=b[:]
b[1],b[5]=l[5],l[1]
b[2],b[3]=l[3],l[2]
b="".join(b)
print(int(b,2))