It should work like a lottery, the computer thinks out a random number and you have to guess it, but it always writes that the number is too big

It should work like a lottery, the computer thinks out a random number and you have to guess it, but it always writes that the number is too big.

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

Activation

namespace HelloSasha
{
    class Program
    {
        static void Main(string[] args)
        {
            Random rnd = new Random();
            int number = rnd.Next(0, 100);

Randomizer

            Console.WriteLine("Write your number");
            string sUserNumber = Console.ReadLine();
            int iUserNumber = Convert.ToInt32(sUserNumber);

User number

            bool x = true;
            while (x == true)
            {
                if (iUserNumber > number)
                {
                Console.WriteLine("So big");
                Console.ReadLine();
                }
                if (iUserNumber < number)
                {
                Console.WriteLine("So small");
                Console.ReadLine();
                    }
                else if (iUserNumber == number)
                {
                Console.WriteLine("You win");
                Console.ReadLine();
                x = false;

All IF

                }
            }

        }
    }
}