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())
x = bin(n)
b = bin(n)[2:]
s = str(b)
while len(s) != 6:
    s = '0'+s

fs = ['0'for i in range(6)]
fs[0] = s[0]
fs[1] = s[5]
fs[2] = s[3]
fs[3] = s[2]
fs[4] = s[4]
fs[5] = s[1]
bs = ''.join(fs)
print(int(bs,2))