a=list(map(int,input().split()))
ans=0
for i in range(len(a)):
   if a[i]%15==0:
       ans+=8
   elif (a[i]%5!=0 and a[i]%3==0) or (a[i]%5==0 and a[i]%3!=0):
       ans+=4
   else:
       ans+=len(str(a[i]))

print(ans)