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=int(input())
a=bin(a)
a=('00000'+str(a)[2:len(a)])
a=a[-6:len(a)]
s="0b"+a[0]+a[5]+a[3]+a[2]+a[4]+a[1]
print(int(s,2))