E = input()

AA = int(A)
BB = int(B)
CC = int(C)
DD = int(D)
EE = int(E)

a = A[-1]
b = B[-1]
c = C[-1]
d = D[-1]
e = E[-1]

aa = int(a)
bb = int(b)
cc = int(c)
dd = int(d)
ee = int(e)

data = [aa ,bb, cc, dd, ee]
def func(x):
    if(x==0): return False
    else: return True
    
filtered = filter(func, data)

kk =min (filtered)
n = int(0)

if aa == 0 :
    n = n+AA
else:
    n = n+AA+10-aa
if bb == 0 :
    n = n+BB
else:
    n = n+BB+10-bb
if cc == 0 :
    n = n+CC
else:
    n = n+CC+10-cc
if dd == 0 :
    n = n+DD
else:
    n = n+DD+10-dd
if ee == 0 :
    n = n+EE
else:
    n = n+EE+10-ee
print(n+kk-10)