Calculate Gross Salary of Employee

Problem Statement:

Program to input basic salary of an employee and calculate its Gross salary(Basic salary + HRA + DA) according to following:

• Basic Salary <= 10000 : HRA = 20%, DA = 80%
• Basic Salary <= 20000 : HRA = 25%, DA = 90%
• Basic Salary > 20000 : HRA = 30%, DA = 95%

SAMPLE INPUT:
24000
SAMPLE OUTPUT:
621600.00