HicCup

Seun posts often on an online community. The members there call a popular user a god, and God Apple and God Kariko show up under almost every post.

When Seun posts his favorite number $N$, three gods leave a comment in turn.

• God Apple writes $10N$.
• God Kariko writes $10N + 10$.
• The last god writes $20N + 20$.

Seun cannot stop hiccuping, so he cannot add the three numbers himself. Read $N$ and print the sum of the numbers the three gods wrote in the comments.

The first line contains an integer $N$. ($-100 \le N \le 100$)

Print the sum of the numbers the three gods wrote in the comments on the first line.