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())
ans = 0
if a & (1 << 5):
    ans += 1 << 5
if a & (1 << 4):
    ans += 1 << 0
if a & (1 << 3):
    ans += 1 << 2
if a & (1 << 2):
    ans += 1 << 3
if a & (1 << 1):
    ans += 1 << 1
if a & (1 << 0):
    ans += 1 << 4
print(ans)