ln=list(map(int,input().split()))
sn=0

for i in range(len(ln)):
    #fork
    if ln[i]%3==0 and ln[i]%5==0:
        sn+=8
    elif ln[i]%3==0:
        sn+=4
    elif ln[i]%5==0:
        sn+=4
    else:
        ln[i]=str(ln[i])
        sn+=len(ln[i])

print(sn)