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()))
if len(a)!=8:
    a = "0b"+"0"*(8-len(a))+a[2:]

b = "0b"+str(a[2])+str(a[7])+str(a[5])+str(a[4])+str(a[6])+str(a[3])
print(int(b,2))