a=list(map(int,input().strip().split(" ")))

count=0
for i in range(len(a)):
    if a[i]%3==0 and a[i]%5==0:
        count+=8
    elif a[i]%3==0:
        count+=4
    elif a[i]%5==0:
        count+=4
    else:
        count+=len(str(a[i]))
 
print(count)