list_1 = []
list_2 = []
list_3 = []

for i in range(5):
    list_1.append(input())

for i in range(5):
    list_2.append(int(list_1[i]) % 10)

for i in range(5):
    if list_2[i] != 0:
        list_3.append(-(list_2[i] - 10))
    else:
        list_3.append(0)

max_num = 0
for i in range(5):
    if list_3[i] > max_num:
        max_num = list_3[i]
        max_num_2 = i

a1 = int(list_1.pop(max_num_2))
a2 = int(list_3.pop(max_num_2))

ans = 0

for i in range(4):
    ans += int(list_1[i])
    ans += list_3[i]

ans += a1

print(ans)
