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:
import math
n=int(input())
f=0;
if(n%2==1):
    f+=16;
n=n//2;
if(n%2==1):
    f+=2;
n=n//2;
if(n%2==1):
    f+=8;
n=n//2;
if(n%2==1):
    f+=4;
n=n//2;
if(n%2==1):
    f+=1;
n=n//2;
if(n%2==1):
    f+=32;
n=n//2;
print(f)