a,b,c,d,e = [int(input()) for i in range(5)]
count = a + b + c + d + e
l = [a%10,b%10,c%10,d%10,e%10]
s = [a%10,b%10,c%10,d%10,e%10]
m = [a%10,b%10,c%10,d%10,e%10]
for x in range(len(l)):
    if l[x] == 0:
        m.remove(0)
for i in range (len(s)):
    count = count -s[i]
ans = count + 10*len(m) + min(m) -10
print(ans)