def aumentar(n, p):
    final = n + (n / 100) * p
    return final


def diminuir(n, p):
    final = n - (n / 100) * p
    return final


def dobro(n):
    res = n * 2
    return res


def metade(n):
    res = n / 2
    return res

def aumentar(n, p):
    final = n + (n / 100) * p
    return final


def diminuir(n, p):
    final = n - (n / 100) * p
    return final


def dobro(n):
    res = n * 2
    return res


def metade(n):
    res = n / 2
    return res
