package com.codegym.task.task04.task0427;
/*
Describing numbers
*/
import java.io.*;
import java.util.Scanner;
public class Solution {
public static void main(String[] args) throws Exception {
//write your code here
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
if(num <= 10 )
{
if(num % 2 == 0)
{
System.out.println("even single-digit number");
}
else
{
System.out.println("odd single-digit number");
}
}
else if(num > 10 && num < 101)
{
if(num % 2 == 0)
{
System.out.println("even two-digit number");
}
else
{
System.out.println("odd two-digit number");
}
}
else if(num > 100 && num < 1001)
{
if(num % 2 == 0)
{
System.out.println("even three-digit number");
}
else
{
System.out.println("odd three-digit number");
}
}
else
{
System.out.println();
}
}
}