# import sys # #sys.setrecursionlimit(1000000) # input = sys.stdin.readline def mp():return map(int,input().split()) def lmp():return list(map(int,input().split())) import math import bisect from copy import deepcopy as dc from itertools import accumulate from collections import Counter, defaultdict, deque import itertools def ceil(U,V):return (U+V-1)//V def modf1(N,MOD):return (N-1)%MOD+1 inf = int(1e30) mod = 998244353 n = int(input()) for i in range(1000005): if i*i*i == n: print("Yes") exit() print("No")