public static void Main()
Console.Write("input the firts number to nmultiply:");
num1 =Convert.ToInt32(Console.ReadLine());
Console.Write("input the second number to nmultiply:");
num2 =Convert.ToInt32(Console.ReadLine());
Console.Write("input the third number to nmultiply:");
num3 =Convert.ToInt32(Console.ReadLine());
int result =num1*num2*num3;
Console.WriteLine("Output:{0} x {1} x {2} ={3}",num1,num2,num3,result );