import sys

n = int(input())
if n == 1:
    print("Yes")
    sys.exit()


ok = 0
ng = n

while ng - ok > 1:
    mid = (ok + ng) // 2
    if mid**3 <= n:
        ok = mid
    else:
        ng = mid

if ok**3 == n:
    print("Yes")
else:
    print("No")