A=int(input())
B=int(input())
C=int(input())
D=int(input())
E=int(input())
import numpy as np
import math
#１の位が0以外でより小さい値のものを最後にする
dishes=np.array([A,B,C,D,E])
dishes_1=np.array(list(map(lambda x: x%10, dishes)))
# print(dishes)
# print(dishes_1)
last=0
ans=0
if np.all(dishes_1==0):
  print(A+B+C+D+E)
else:
  dishes=np.stack([dishes, dishes_1], 1)
  dishes=sorted(dishes, key=lambda x: x[1])
  for i in range(len(dishes)):
      if dishes[i][1]!=0:
          last=dishes[i]
          dishes.pop(i)
          break
  for j in range(len(dishes)):
      ans=ans+dishes[j][0]+((10-dishes[j][0]%10)%10)
  print(ans+last[0])
