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

dish = [a,b,c,d,e]
result=0

mx=-1

for dd in dish:
    for i in range(1,10):
        if (dd+i) % 10 == 0:
            tmp=i
            break
    if tmp > mx:
        mx = tmp
        buf=dd

dish.remove(buf)

for dd in dish:
    result+=dd
    for j in range(1,10):
        if result % 10 ==0:
            break
        result+=1

print(result+buf)
