public static void Main()
string duma1 = Console.ReadLine();
string duma2 = Console.ReadLine();
if(duma1.Length==duma2.Length)
Console.WriteLine("duma1==duma2");
else if(duma1.Length>duma2.Length)
Console.WriteLine("duma1>duma2");
Console.WriteLine("duma1<duma2");