lst = []
for i in range(5):
    lst.append(int(input()))
lst_f=[]
for i in range(5):
    lst_f.append(lst[i]%10)
while 0 in lst_f:
    lst_f.remove(0)
if len(lst_f) == 0:
    print(sum(lst))
else:
    print(sum(lst)-sum(lst_f)+10*(4-lst_f.count(0))+min(lst_f))