using System;
using System.Collections.Generic;
public class Test
{
public static void Main()
{
Console.WriteLine(new String[1,1] is IEnumerable<String>);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uQ29sbGVjdGlvbnMuR2VuZXJpYzsKCnB1YmxpYyBjbGFzcyBUZXN0CnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKCkKCXsKCQlDb25zb2xlLldyaXRlTGluZShuZXcgU3RyaW5nWzEsMV0gaXMgSUVudW1lcmFibGU8U3RyaW5nPik7Cgl9Cn0=