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())
n = list(bin(n)[2:])
n = (6-len(n))*["0"]+n 
n_t = n.copy()
n[1] = n_t[5]
n[2] = n_t[3]
n[3] = n_t[2]
n[4] = n_t[4]
n[5] = n_t[1]
print(int(''.join(n),2))