Interest Rate

Time Limit: 1 sec

 

The Problem

Mr. Nezam deposited X taka in a bank and in Y years got I taka as interest.What is the percentage rate of interest per annum ? 

 

Example:

if X = 500, Y = 3, and I = 105 then

The percentage rate of interest is 7 taka per annum.

 

 

The Input

The input file contains only 3 integer numbers X, Y, I (X < 10000, Y < 30, I < 40000 ).

 

The Output

Output will show the one integer numbers with percentage sign (%) which is the percentage rate of interest per annum in a separate line.

[Note: Don't forget to put % sign after the integer value]

 

Sample Input

500 3 105

 

Sample Output

7%

 

 

 

 

Problem Setter: Shahin ShamS