Odd Even

Time Limit: 2 sec

 

The Problem

Just calculate the sequence below.

1 + 2 + 3 + ... ... ... + N = M

 

In this problem given a positive integer number N, your task is to print “Odd” if M is an odd number otherwise print “Even”.

 

The Input

The input file contains several lines of input where each line contains a single positive integer number N (1<=N<=10^14). The input will terminated by a line containing 0.

 

The Output

For each lines of input print one line of output which contains “Even” if the number M is even or “Odd” if the number M is odd.

 

Sample Input

5

10

19

1002

0

 

Sample Output

Odd

Odd

Even

Odd

 

 

 

Inter University Programming Contest - 2017 [BGC Trust University Bangladesh]

Problem Setter: Milton Deb