109 - Average Age

Average Age

Time Limit: 1 sec


The Problem

The ages of Maria, Mithun, Mac, Moni and Mala are respectively Y1, Y2, Y3, Y4 and Y5 years. What is their average age ?



if Y1 = 10, Y2 = 12, Y3 = 13, Y4 = 11 and Y5 = 14 years then

Average age is 12 years.



The Input

The input file contains only 5 integer numbers Y1, Y2, Y3, Y4 and Y5 (Y1, Y2, Y3, Y4, Y5<=30).


The Output

Output will show the one integer number which is the average age in a separate line.


Sample Input

10 12 13 11 14


Sample Output






Problem Setter: Shahin ShamS