public static void Main()
Console.WriteLine("insert you number");
N=int.Parse(Console.ReadLine());
Console.WriteLine("{0}*1 = {1}", N,N*1);
Console.WriteLine("{0}*2 = {1}", N,N*2);
Console.WriteLine("{0}*3 = {1}", N,N*3);
Console.WriteLine("{0}*4 = {1}", N,N*4);
Console.WriteLine("{0}*5 = {1}", N,N*5);
Console.WriteLine("{0}*6 = {1}", N,N*6);
Console.WriteLine("{0}*7 = {1}", N,N*7);
Console.WriteLine("{0}*8 = {1}", N,N*8);
Console.WriteLine("{0}*9 = {1}", N,N*9);
Console.WriteLine("{0}*10 = {1}", N,N*10);