Omar Boi Ghor

Time Limit: 1 sec

**The Problem**

**Omar Boi Ghor** is a popular book shop in **Chattogram** for old books. **Shawon** is my little brother. He is reading in class IX now. He goes to this book shop for buy a book. If the original book price is **P** taka and discount is **D** taka. Can you please help **Shawon** to calculate how much taka he need to pay?

Example:

If original book price **P** = 220 taka and discount **D** = 70 taka then

He needs to pay 150 taka.

**The Input**

The input file contains only two integer numbers **P** (100=<**P**<=1000) and **D** (0=<**D**<=300). Here **P** is the original book price and **D** is the discount.

**The Output**

Output will only one integer number which is the amount **Shawon** need to pay.

**Sample Input**

220 70

**Sample Output**

150

Inter University Programming Contest(II) - 2018 [BGC Trust University Bangladesh]

Problem Setter: Shahin ShamS