import java.util.*;
import java.io.*;
import java.math.*;
// import java.util.stream.Stream;

class Main{
    static BufferedReader buff = new BufferedReader(new InputStreamReader(System.in));
    static StringTokenizer st;
    static PrintWriter output = new PrintWriter(System.out);
    static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) throws IOException{
        long n = sc.nextLong();
        boolean ok = false;
        for(long i=1;i<=1000000;i++) {
            if( i * i * i  == n ) ok = true;
        }
        output.print(ok?"Yes":"No");
        output.flush();
    }
}