1. Description

Create a shopping discount calculator. The user inputs multiple product prices (space-separated) and a discount rate. The program should calculate the total price after applying the discount and output the final price (keep 2 decimal places).

2. Input & Output

Input:

• First input line: product prices (multiple numbers separated by spaces)
• Second input line: discount rate (integer)

Output:

• Final price after discount (with 2 decimal places)

Example

# Input: 
50 100 80
7
# Output: 
213.90

# Input: 
200 150
10
# Output: 
315.00