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 = "{0:b}".format(int(input()))
a = a.zfill(6)
res = a[0] + a[5] + a[3] + a[2] + a[4] + a[1]
print(int(res, 2))