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 = bin(int(input()))[2:].zfill(6)
res = ['', '', '', '', '', '']
res[0] = n[0]
res[1] = n[5]
res[2] = n[3]
res[3] = n[2]
res[4] = n[4]
res[5] = n[1]

print(int(''.join(res), 2))