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())+64
x = list(str(bin(a)))
x[4], x[8] = x[8], x[4];
x[5], x[6] = x[6], x[5];
print(int(''.join(map(str, x))[3:], 2))