A=int(input())
B=int(input())
C=int(input())
D=int(input())
E=int(input())
time=0
menu=[A,B,C,D,E]
count=0
order=[]
kauri=[]
for i in range(5):
  if menu[i]%10==0:
      order.append(menu[i])
      count+=1
for h in range(9):
  for g in range(5):
    if menu[g]%10==9-h:
      kauri.append(menu[g])
      order.append(menu[g]+(h+1))
order[4]=kauri[4-count]      
print(sum(order))