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:
n=int(input())
b=[0 for i in range(6)]
for i in range(6):
    b[-1-i]=n%2
    n=n//2
b[1],b[5]=b[5],b[1]
b[2],b[3]=b[3],b[2]
ans=0
for i in range(6):
    ans+=b[-1-i]*2**i
print(ans)