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

l = [a,b,c,d,e]
if len([i for i in l if i != 0]) == 0:
    m = 0
else:
    m = min([i for i in l if i != 0])
n = l.count(0)
ans = (A//10 + B//10 + C//10 + D//10 + E//10)*10 + m + (5-n)*10 -10
print(ans)
