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:
i = input ()
j = int (i)
k = bin (j)
u = str (k)
l = u.replace("0b", "")
while len(l)<6:
	l = "0" + l
x = l[0] + l[5] + l[3] + l[2] + l[4] + l[1]
y = int (x, 2)
print (y)