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())
a='0'*(6-len(bin(a)[2:]))+bin(a)[2:]
t=[0, 5, 3, 2, 4, 1]
b=''
for i in t:
	b+=str(a[i])
print(int(b,2))