using System;
public class Program
{
public static void Main()
Console.Write("Моля въведете число: ");
int num = int.Parse(Console.ReadLine());
int number = 1;
if (num >= 1)
for (int i = 1; i <= num; i++)
Console.WriteLine($"{num}! = {number = number * i}");
}
else
Console.WriteLine("!!!");