题目描述
In some other world, today is the day before Christmas Eve.
Mr. Takaha is buying N items at a department store. The regular price of the $i-th item (1 \leq i \leq N)$ is p_i yen (the currency of Japan).
He has a discount coupon, and can buy one item with the highest price for half the regular price. The remaining N-1 items cost their regular prices. What is the total amount he will pay?
-----Constraints-----
- $2 \leq N \leq 10$
- $100 \leq p_i \leq 10000$
- p_i is an even number.
-----Input-----
Input is given from Standard Input in the following format:
N
p_1
p_2
:
p_N
-----Output-----
Print the total amount Mr. Takaha will pay.
-----Sample Input-----
3
4980
7980
6980
-----Sample Output-----
15950
The 7980-yen item gets the discount and the total is 4980 + 7980 / 2 + 6980 = 15950 yen.
Note that outputs such as 15950.0 will be judged as Wrong Answer.
输入格式
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输出格式
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