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:
#!/usr/bin/env python

A = [4, 22, 27, 58, 85, 94, 121, 166, 202, 265, 274, 319, 346, 355, 378, 382, 391, 438, 454, 483, 517,526, 535, 562, 576, 588, 627, 634, 636, 645, 648, 654, 663, 666, 690, 706, 728, 729, 762, 778, 825, 852, 861, 895, 913, 915, 922, 958, 985, 1086]
a = int(input())
# print(27)
# print(pow(n,3))
# print(n+24)
# print(30-n)
# print(pow(a,a))
# print(pow(3,a))
# print(a*a+6*a)
# print(a*a+5*a+3)
# print(a*a+18)
# print(a*a+3*a+9)
# print(a*a*a*a-2*a*a*a)
# print(30-a)
print(A[a-1])