Electricity Bill Slabs

Difficulty: Medium

Phase: 1 · Conditional Thinking

XP Reward: 20 XP

Topics: Conditional Thinking, Medium

Supported Languages: Python, JavaScript, C, C++, Java

Problem Description

Take electricity units consumed U. First 100 units at 5/unit, next 100 units (101-200) at 7/unit, above 200 at 10/unit. Print total bill. Input Format: Read input from standard input (stdin). Output Format: Print the result to standard output (stdout).

Constraints

-10^9 <= N <= 10^9

Examples

Example 1

Input: 150

Output: 850

Explanation: Sample execution for input 150