C. They Have Fooled
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output
Input

The first line contains one integer $$$n$$$ ($$$0 \leq n \leq 12$$$).

Output

One integer — the answer.

Examples
Input
0
Output
10
Input
1
Output
10
Input
5
Output
7
Input
9
Output
0