The arithmetic mean of the array elements

Input

The first line contains the integer $N$, representing the number of elements in the array, where 1 \leq N \leq 50. The second line contains $N$ integers, each with an absolute value not exceeding $10000$.

Output

Output a single integer $K$, which is the maximum number of elements that can be removed from the array.

Examples

Note

Example Explanation:

For instance, you can remove the elements $1$, $7$, $7$, $1$ or $1$, $2$, $6$, $7$.