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:
b = bin(int(input()))[2:]
b=b[::-1]
val = [0 for i in range(6)]
for c in range(len(b)):
	val[5-c]=b[c]
# print(val)
# val=val[::-1]
# print(val)
l=[0,5,3,2,4,1]
ans = [0 for i in range(6)]
for c in range(6):
	ans[c]=val[l[c]]
print(int(''.join(map(str,ans)),2))