a = int(input())
b = int(input())
c = int(input())
d = int(input())
e = int(input())

l = []
ans = 0
for t in [a,b,c,d,e]:
  if t%10 == 0:
    ans += t
  else:
    l.append(t)

if len(l) < 1:
  print(ans)10
elif len(l) == 1:
  print(ans + l[0])
else:
  l = sorted(l, key=lambda x: x%10, reverse=True)

  def tyumon(t, ans):
    ans += t
    if ans % 10 == 0:
      return ans
    else:
      return (ans//10 + 1)*10

  for i in range(len(l)-1):
    ans = tyumon(l[i], ans)
  print(ans + l[-1])