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Contest: Task: Related: TaskB

Score : $100$ points

Problem Statement

This is the $214$-th AtCoder Beginner Contest (ABC).

The ABCs so far have had the following number of problems.

  • The $1$-st through $125$-th ABCs had $4$ problems each.
  • The $126$-th through $211$-th ABCs had $6$ problems each.
  • The $212$-th through $214$-th ABCs have $8$ problems each.

Find the number of problems in the $N$-th ABC.

Constraints

  • $1 \leq N \leq 214$
  • All values in input are integers.

Input

Input is given from Standard Input in the following format:

$N$

Output

Print the answer.

Sample Input 1

214

Sample Output 1

8

Sample Input 2

1

Sample Output 2

4

Sample Input 3

126

Sample Output 3

6