using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace project2
{
class Program
{
static void Main(string[] args)
{
int i = 0;
Console.WriteLine("please enter a integer");
int x = int.Parse(Console.ReadLine());
{
class Program
{
static void Main(string[] args)
{
int i = 0;
Console.WriteLine("please enter a integer");
int x = int.Parse(Console.ReadLine());