import itertools

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

input = [a, b, c, d, e]

dec = [n % 10 for n in input]
pair = zip(dec, input)
min_val = 999
for num in dec:
  if num != 0 and min_val > num:
    min_val = num

sum = 0
min_flag = False
for d, n in pair:
  if not min_flag and (d == min_val or d == 0):
    min_flag = True
    sum += n
  else:
    sum += (n + (10 - d))
      
print(sum)        