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 = int(input())
string = bin(n)[2:]
cnt = len(string)
for i in range(6 - cnt):
    string = '0' + string
ans = string[0] + string[5] + string[3] + string[2] + string[4] +string[1]
print(int(ans, 2))