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())
res = [0] * 6
res[4] = n % 2
n //= 2
res[1] = n % 2
n //= 2
res[3] = n % 2
n //= 2
res[2] = n % 2
n //= 2
res[0] = n % 2
n //= 2
res[5] = n % 2

d = 1
ans = 0
for i in res:
    if i:
        ans += d
    d *= 2

print(ans)