l = []
l1 = []
for i in range(5):
  a = int(input())
  l.append((a,a%10))
l.sort(key = lambda x: x[1])

count = 0
for i in range(5):
  if l[i][1] == 0:
    count += l[i][0]
  else:
    c = i
    break
for i in range(4,c-1,-1):
  
  if i == c:
    count += l[i][0]
  else:
    count += l[i][0] + 10-l[i][1]
print(count)