Numbers' Average

Given an array of integers, you are to find the average value for those numbers.

Input:

Each test case consists of two lines, the first line contains the array size T (1 <= T <= 1000), the second line contains the values V (1 <= V[i] <= 1000).

Input is terminated by (T=0)

Output:

For each test case, print the average value for those numbers, but without the decimal part.

Sample Input:

5

1 2 3 4 5

4

1 5 2 2

0

Sample Output:

3

2