class Student:
    def __init__(self, name, fives, tens, twenties):
        self.name = name
        self.fives = fives
        self.tens = tens
        self.twenties = twenties


def most_money(students):
    student_names = [x.name for x in students]
    student_money = [x.fives * 5 + x.tens * 10 + x.twenties * 20 for x in students]

    if len(set(student_money)) == 1 and len(student_money) > 1:
        return "all"
    return max(list(zip(student_names, student_money)), key=lambda x: x[1])[0]