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