A = int(input())
B = int(input())
C = int(input())
D = int(input())
E = int(input())

a = A % 10
b = B % 10
c = C % 10
d = D % 10
e = E % 10

list_1 = [A, B, C, D, E]
list_2 = [a, b, c, d, e]
list_2_2 = []
for x in list_2:
    if x != 0:
        list_2_2.append(x)

smallest = min(list_2_2)

list_3 = []

count = 0
for i in range(5):
    if list_2[i] == smallest and count % 10 == 0:
        list_3.append(list_1[i])
    elif list_2[i] != 0:
        list_3.append(list_1[i] - list_2[i] + 10)
    else:
        list_3.append(list_1[i])
    count += list_3[i]

sum = 0
for x in list_3:
    sum += x
    
print(sum)


