401 - Diffy Again

Diffy Again

Time Limit: 1 sec

**[ ****Before start to solve the problem please read Class – 2 in Classes tab or Read Me ****]**

**The Problem**

Make a simple program that reads two variables named **A**, **B**. Calculate and print the difference of **A** and **B** (**A - B**).

**The Input**

Input file consist of several test cases. Each test case contains a line and each line will contains two integers **A** and **B** (0<**A, B**<10000 and **A**>**B**). Input is terminated by **EOF**.

**The Output**

For each test case you should output a line. This line contains the value of the difference of **A** and **B**.

**Sample Input**

13 5

10 5

12 2

**Sample Output**

8

5

10

Problem Setter: Shahin ShamS