>>160
こうなるんじゃね?

(day, hour, minute)? 3 12 44
sum = 3 12 44
(day, hour, minute)? 1 22 54
sum = 5 11 38
(day, hour, minute)? 8 21 0
sum = 14 8 38
(day, hour, minute)? -1 -1 -1