def dayexpenses(lday):
    lday.append(sum(lday))

def expenses (lexpenses, change):
    total = 0
    for day_exp in lexpenses:
        dayexpenses(day_exp)
        day_exp[-1] = day_exp[-1] * change
        total = total + day_exp[-1]
    return total

def dayhighexpense(lday, quant):
    for d in lday:
        if d > quant:
            return d
    return 0

def highexpense (lexpenses, quant):
    found = False
    for day_exp in lexpenses:
        d = dayhighexpense(day_exp, quant)
        found =  d != 0
        if found:
            break
    return d