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())
s=bin(a)[2:]
for i in range(len(s),6):
    s='0'+s
a=s[0]+s[5]+s[3]+s[2]+s[4]+s[1]
print(int(a,2))