using static System.Math;
using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var n = int.Parse(line[0]);
        var z = int.Parse(line[1]);
        if (n == 3) Console.WriteLine("No");
        else getAns(n, z);
    }
    static void getAns(int n, int z)
    {
        var zn = (int)Pow(z, n);
        for (int i = 1; i <= z; i++)
            for (int j = i; j <= z; j++)
            {
                if ((int)Pow(i, n) + (int)Pow(j, n) == zn)
                {
                    Console.WriteLine("Yes");
                    return;
                }
            }
        Console.WriteLine("No");
    }
}