Bank Transfer

Interview

Time limit1sMemory limit512 MB

Summary

Given the transfer amount k, compute the commission of 25 tugriks plus 1 percent of k, clamped between 100 and 2000.

Level: Easy2 of 10
Topics: Math, Implementation, Brute force
Solved: No attempts yet

Problem

Tanya has an account at "Redgotts" bank. The bank charges a commission to transfer money to "Bluegotts" bank, where her friend Vanya has an account.

Tanya read her bank's rules and learned the following:

The commission for the bank transfer is 25 tugriks plus 1% of the sum transferred. However, the commission is never smaller than 100 tugriks, and cannot exceed 2000 tugriks.

Tanya plans to transfer k tugriks to Vanya. Help her find out what the commission would be.

Input

Input is a single integer k ( $200 \le k \le 10^9$ ).

Output

Output one floating point value: the commission for the transfer. The value must be printed with at least two exact digits after the decimal point.

Examples3

Example 1
Input
```
20210
```
Expected output
```
227.10
```
Example 2
Input
```
9000
```
Expected output
```
115.00
```
Example 3
Input
```
300000
```
Expected output
```
2000.00
```