l = list(map(int, input().split()))
count = 0

for i in range(len(l)):
    if l[i] % 3 == 0 and l[i] % 5 == 0:
        count += 8
#        print("fizzbuzz")
    elif l[i] % 3 == 0 or l[i] % 5 == 0:
        count += 4
#        print ("fizz or buzz")
    else:
        count += len(str(l[i]))
#        print(l[i])

print (count)