题目描述
Given is a number sequence A of length N.
Find the number of integers $i \left(1 \leq i \leq N\right)$ with the following property:
- For every integer $j \left(1 \leq j \leq N\right)$ such that $i \neq j , A_j$ does not divide A_i.
Constraints
- All values in input are integers.
- $1 \leq N \leq 2 \times 10^5$
- $1 \leq A_i \leq 10^6$
Input
Input is given from Standard Input in the following format:
N
$A_1 A_2 \cdots A_N$
Output
Print the answer.
Examples
Input
5
24 11 8 3 16
Output
3
Input
4
5 5 5 5
Output
0
Input
10
33 18 45 28 8 19 89 86 2 4
Output
5
输入格式
见题面
输出格式
见题面
样例输入
5
24 11 8 3 16
样例输出
3