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:
i=int(input())
j=(i%2)*16
i/=2
j=int(j)
i=int(i)
j+=(i%2)*2
i/=2
j=int(j)
i=int(i)
j+=(i%2)*8
i/=2
j=int(j)
i=int(i)
j+=(i%2)*4
i/=2
j=int(j)
i=int(i)
j+=(i%2)*1
i/=2
j=int(j)
i=int(i)
j+=(i%2)*32
j=int(j)
i=int(i)
print(j)