Very easy

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

The sequence of integers is given. Find its arithmetical mean.

In one line the integers are given, each of the numbers is no more than 100 by absolute value.

Print the arithmetical mean of all elements in the sequence. Print the answer with 4 decimal digits.

Input #1

Answer #1

Input #2

Answer #2