#!/usr/bin/env python

A = [input() for i in range(5)]
m = 9
flag = True
for a in A:
    if int(a[-1]) == 0:
        pass
    elif int(a[-1]) <= m:
        flag = False
        m = int(a[-1])
        min_dish = a
B = [int(i) for i in A]
if flag:
    min_dish = min(B)

sum = int(min_dish)
A.remove(min_dish)
for a in A:
    if int(a[-1]) == 0:
        sum += int(a)
    else:
        sum += int(a) + int(10) - int(a[-1])
print(int(sum))