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 math import *
from cmath import *
a=int(input())
l=[]
for i in range(6):
    k=a%2
    l.append(k)
    a=a//2
l.reverse()
l[1],l[5]=l[5],l[1]
l[2],l[3]=l[3],l[2]
l.reverse()
k=0
for i in range(6):
    p=2**i
    p=p*l[i]
    k=k+p
print(k)