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:
num = bin(int(input()))[2:]
num = list('0'*(6-len(num)) + num)
# print(num)
num1 = num.copy()
num1[1] = num[5]
num1[2] = num[3]
num1[3] = num[2]
num1[5] = num[1]
# print(num1)

print(int(''.join(num1),2))