Таблица на трети корени

# -*- coding: utf-8 -*-


if __name__ == "__main__":
    m = input()
    n = input()
    x = int(input())
    # vasiot kod pisuvajte go tuka
    tablica = {}
    for i in range(int(m), int(n) + 1):
        tablica[pow(i, 3)] = i
    if tablica.__contains__(x):
        print(tablica[x])
    else:
        print("nema podatoci")
    print tablica