using System;
using System.Collections.Generic;
using System.Linq;

// https://yukicoder.me/problems/no/1585
class Program
{
    static string InputPattern = "InputX";

    static List<string> GetInputList()
    {
        var WillReturn = new List<string>();

        if (InputPattern == "Input1") {
            WillReturn.Add("1331");
            //Yes
        }
        else if (InputPattern == "Input2") {
            WillReturn.Add("288");
            //No
        }
        else if (InputPattern == "Input3") {
            WillReturn.Add("1000000000000000000");
            //Yes
        }
        else {
            string wkStr;
            while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
        }
        return WillReturn;
    }

    static void Main()
    {
        List<string> InputList = GetInputList();
        long N = long.Parse(InputList[0]);

        for (long I = 1; I * I * I <= N; I++) {
            if (I * I * I == N) {
                Console.WriteLine("Yes");
                return;
            }
        }
        Console.WriteLine("No");
    }
}