Problem Description

Given an integer, determine whether it is odd or even. If $n$ is odd, output odd; if $n$ is even, output even.

Input Format

The input consists of a single line containing an integer $n$.

Output Format

The output consists of a single line. If $n$ is odd, output odd; if $n$ is even, output even.

Sample Input and Output

Sample Input #1

5

Sample Output #1

odd

Sample Input #2

10

Sample Output #2

even

Notes

$-100 \le n \le 100$.

见题面 Input 部分

见题面 Output 部分