TryParse

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ReadInt
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = TryParse();
            Console.WriteLine(number);
            Console.ReadKey();
        }

        static int TryParse()
        {
            bool trueParse = false;
            int number = 0;
            while (!trueParse)
            {
                Console.Clear();
                Console.Write("Введите число: ");
                string stringNumber = Console.ReadLine();
                if (Int32.TryParse(stringNumber, out number))
                {
                    trueParse = true;
                    Console.WriteLine("Ура!");

                }
            }
            return number;
        }
    }
}