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 = bin(int(input()))
a = a[2:len(a)]
s = '0'*(6-len(a))
s = s + a
s = '0b'+s[0]+s[5]+s[3]+s[2]+s[4]+s[1]
print(int(s,2))