119 - Pass

Pass

Time Limit: 1 sec

**The Problem**

In an examination out of X students Y failed, What percentage of students passed in that examination ?

Example:

if **X** = 40 and **Y** = 4 then

percentage of passed 90%

**The Input**

The input file contains only 2 integer numbers **X**, **Y **(**X**<1000, **Y **< 500, **X **>=** Y**).

**The Output**

Output will show the one integer numbers which is percentage of passed students in a separate line.

**Sample Input**

40 4

**Sample Output**

90%

Problem Setter: Shahin ShamS