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())
ans = 0
m = [4,1,3,2,0,5]
for i in range(6):
    if (1<<i) & n:
        ans += (1<<m[i])
print(ans)