using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(AreAddressesTheSame("parului", "avram Iancu"));

        Console.WriteLine(AreAddressesTheSame("avram iancu", "parului"));

        Console.WriteLine(AreAddressesTheSame("parului", "parului"));

        Console.WriteLine(AreAddressesTheSame("test parului", "parului"));

        Console.WriteLine(AreAddressesTheSame("parului", "test parului"));

    }

​

    public static bool AreAddressesTheSame(string a, string b)

    {

        return b.Split(' ').Select(x => a.Contains(x)).Where(x => !x).ToList().Count <= 1;

    }

}