The national flag of Bangladesh Again

Time Limit: 1 sec

 

The Problem

The national flag of Bangladesh is bottle green in color and rectangular in size with the length (L) to width(W) ratio of 10:6. It bears a red circle on the background of green. If the lenght is L can you find the width (W).

 

The color in the background represents the greenery of Bangladesh while the red circle symbolizes the rising sun and the sacrifice of lives in our freedom fight.

 

Example:

if L = 10 then W = 6

 

 

The Input

Input file contain a series of line, each line contains only one integer numbers L , which is the length of the flag (L<=15000). Input is terminated by EOF.

 

The Output

For each line of input, output will show the one integer number which is the width(W) of the flag in a separate line.

 

Sample Input

10

20

15

 

Sample Output

6

12

9

 

 

 

 

Problem Setter: Shahin ShamS