Problem Statement:

Given basic Salary of an employee,calculate its gross salary according to the following condition:

Basic Salary $<=10000$ : HRA $=20\%,$ DA$=80\%$

Basic Salary $<=20000$ : HRA $=25\%,$ DA$=90\%$

Basic Salary $>20000$ : HRA $=30\%,$ DA$=95\%$

Input Format:

Enter an Integer indicating the basic salary as input

Output Format:

Print the output as floating point value$(2$ decimal places$)$ indicating the gross salary

Example :

input: $10000\mathrm{.}00$

$10000+10000*0\mathrm{.}2+10000*0\mathrm{.}8=20000$

Output: $20000\mathrm{.}00$

Constraints:

$-10^9<=$ INPUT $<=10^9$

Sample Input $1$:

$25468$

Sample Output $1$:

Rs$\mathrm{.}57303\mathrm{.}00$

Sample Input $2$:

$35000$