food=[]
t=10
last=0
ans=[]


for _ in range(5):
    food.append(input(int()))

for i in range(5):
    if t>int(str(food[i])[-1]) and int(str(food[i])[-1])!=0:
        t=int(str(food[i])[-1])
        last=i
#print(food[last])
last=food.pop(last)

for j in food:
    x=10-int(str(j)[-1])
    if x==10:
        x=0
    ans.append(int(j)+x)

#print(ans)
print(sum(ans)+int(last))
