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#!/usr/bin/env python class Solution: def totalMoney(self, n:int)->int: week = n // 7 day = n % 7 total = 0 for i in range(week): total += 28 + 7 * i for i in range(day): total += week + i + 1 return total def main(): solution = Solution() print(solution.totalMoney(4)) print(solution.totalMoney(10)) print(solution.totalMoney(20)) if __name__ == '__main__': main()