If the % operator with 2 over a number yields zero then it will be even number. Otherwise it is odd.
Please remember and consider 0. It is neither odd nor even.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication2
{
class Program
{
static void Main(string[] args)
{
string input;
int j = 0;
int iConvert;
Console.WriteLine(" Enter the number: ");
input = Console.ReadLine();
iConvert = Convert.ToInt32(input);
if (iConvert == 0)
{
Console.WriteLine("The given number is neither odd nor even ");
}
else
{
j = (iConvert % 2);
if (j == 0)
{
Console.WriteLine("The given number is even ");
}
else
{
Console.WriteLine("The given number is odd ");
}
}
}
}
}
Output :
42 --> Even number
21 --> Odd number
0 --> Neither odd nor even