Negative elements

The sequence of $n$ real numbers is given. Find the sum and the number of negative elements in it.

Input

The first line contains the number $n(n\le 100)$ of sequence elements. In the next line $n$ real numbers — the elements of sequence are given. Their values do not exceed $100$ by absolute value.

Output

Print in one line the number of negative elements and their sum with two digits after the decimal point.

Examples