using System;
 
public class Test
{
	public static void Main()
	{
 
	}
}

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int x , y ;
            Console.Write(" Enter First Number : ");
            while(!int.TryParse(Console.ReadLine() , out x))
            {
                Console.WriteLine("Please! Enter Number :");
            }
            Console.Write(" Enter Second Number : ");
            while(!int.TryParse(Console.ReadLine() , out y))
            {
                Console.WriteLine("Please! Enter Number :");
            }
            int mul = x * y ;
            Console.WriteLine($" MUL = {mul}");