using System;

class Program
{
    public void Solve()
    {
        string N = Console.ReadLine();  // 100円玉
        string M = Console.ReadLine();  // 10円玉
        
        // M = 10 * N を満たす
        Console.WriteLine("Yes");
    }

    static void Main()
    {
        var solver = new Program();
        solver.Solve();
    }
}