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:
lip = [0, 5, 3, 2, 4, 1]
n = int(input())
a = []
for i in range(6):
    a.append(n%2)
    n //= 2
a.reverse()
b = [0]*6
for i in range(6):
    b[lip[i]] = a[i]
ans = 0
k = 1
#print(a)
#print(b)
for i in range(6):
    ans += k*b[-i - 1]
    k *= 2
print(ans)