#9. Shop: pen
One pen costs 500 tugriks. How many tugriks do you pay for n of them?
### Input
One integer n (0 ≤ n ≤ 100).
### Output
The total price.
Examples
Input
80
Output
40000
Input
53
Output
26500
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.