a = int(input())
b = int(input())
c = int(input())
d = int(input())
e = int(input())
dish_list = [a,b,c,d,e]

modmin = [10, -1]
for i in range(5):
    if dish_list[i] % 10 != 0:
        count += 1
        if  dish_list[i] % 10 < modmin[0]:
            modmin[0] = dish_list[i] % 10
            modmin[1] = i

if modmin[1] == -1:
    ans = sum(dish_list)
else:
    ans = 0
    for i in range(5):
        if dish_list[i] % 10 != 0 and i != modmin[1]:
            b = dish_list[i] + (10- (dish_list[i] % 10))
        else:
            b = dish_list[i] 
        ans += b

print(ans)