def main():
    n = int(input())
    l = 0
    r = n
    m = 0
    while l-r != 1:
        m = (r+l)//2
        if m**3 == n:
            break
        elif m**3 > n:
            r = m-1
        else:
            l = m+1
    if m**3 == n:
        print("Yes")
    else:
        print("No")

    pass


if __name__ == "__main__":
    main()