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Count Even Numbers ⭐⭐

Read an integer N. This number indicates how many values the array will have.

Then, read N integers (one per line) and store them in an array.

Finally, count how many of those numbers are even and display the result.

Hints:

Input

An integer N, followed by N integers, one per line.

Output

Print a single integer: the count of even numbers.

Example

Input:

5
3
4
7
8
2

Output:

3