class Program
{
    static void Main(string[] args)
    {
        string topWord = Console.ReadLine()!;
        string bottomWord = Console.ReadLine()!;
        int count = 0;

        foreach (char top in topWord)
        {
            foreach (char bottom in bottomWord)
            {
                if (top == bottom)
                {
                    count++;
                    break;
                }
            }
            bottomWord = bottomWord.Remove(0, 1);
        }

        if (count == topWord.Length)
        {
            Console.WriteLine("Yes");
        }
        else
        {
            Console.WriteLine("No");
        }
    }
}