Accept two no from user and print the Even and Odd

Try:

using System;

class Program

{

static void Main()

{

int[] numbers = new int[2];

for(int i = 0; i < 2; i++)

{

Console.Write("Enter integer {0} : ", i + 1);

bool isValid = int.TryParse(Console.ReadLine(), out numbers[i]);

if (!isValid)

{

Console.WriteLine("Not a valid integer or out of range - 0 substituted");

}

Console.WriteLine("\nThe even numbers are");

if (numbers[0] < numbers[1])

{

for(int i = numbers[0]; i <= numbers[1]; i++)

{

if (i % 2 == 0) Console.Write("{0} ", i);

}

else

{

for(int i = numbers[0]; i >= numbers[1]; i--)

{

if (i % 2 == 0) Console.Write("{0} ", i);

}

Console.WriteLine("\n\nThe odd numbers are");

if (numbers[0] < numbers[1])

{

for(int i = numbers[0]; i <= numbers[1]; i++)

{

if (Math.Abs(i % 2) == 1) Console.Write("{0} ", i);

}

else

{

for(int i = numbers[0]; i>= numbers[1]; i--)

{

if (Math.Abs(i % 2) == 1) Console.Write("{0} ", i);

}

Console.ReadKey();

}

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