using System;

namespace test111
{
	class MainClass
	{
		public static void Main (string[] args)

	{start:

			Random ng = new Random ();
			float num1 = ng.Next (1,11) ;
			float num2 = ng.Next (1,11);
			double num3;

			int responseIndex = ng.Next (1, 5);
			switch (responseIndex){

			case 1:

			Console.WriteLine("what is " + num1 + " times " + num2);
			num3 = Convert.ToDouble (Console.ReadLine ());

			if (num3 == num1 * num2)
			{
				Console.WriteLine ("you are correct, good job!!!");
				goto start;
			}
			else
			{
				Console.WriteLine ("nice try but you are incorrect!!!");
				goto start;

					case 2:

					Console.WriteLine("what is " + num1 + " divide " + num2);
					num3 = Convert.ToDouble (Console.ReadLine ());

					if (num3 == num1 / num2)
					{
						Console.WriteLine ("you are correct, good job!!!");
						goto start;
					}
					else
					{
						Console.WriteLine ("nice try but you are incorrect!!!");
						goto start;
				}
			}


		}
	}
}