CF441E Valera and Number

Description

Valera is a coder. Recently he wrote a funny program. The pseudo code for this program is given below: ```plain //input: integers x, k, p a = x; for(step = 1; step

Input Format

N/A

Output Format

N/A

Explanation/Hint

If the concept of expected value is new to you, you can read about it by the link: http://en.wikipedia.org/wiki/Expected\_value