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:
# and after happily lived ever they
# and they lived happily ever after
# 0 1 2 3 4 5
# 0 5 3 2 4 1

def shuffle(n):
    bits=[int(digit) for digit in format(n, '#08b')[2:]]
    ans=[]
    for i in [0,5,3,2,4,1]:
        ans.append(bits[i])
    return int("".join(map(str,ans)),2)

print(shuffle(int(input())))