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()))
n = n[2:]
while(len(n)!=6):
    n = '0' + n
s = n[0] + n[-1] + n[3] + n[2] + n[4] + n[1]
a = 0
b = 5
for i in s:
    a += int(i)*(2**b)
    b -= 1
print(a)