import sys
input = sys.stdin.readline
li = [[0]*2 for _ in range(5)]
count = 0
total = 0
for i in range(5):
    li[i][0] = int(input())
    li[i][1] = li[i][0]%10
    if li[i][1] == 0:
        count += 1
li.sort(key=lambda x:x[1])
for i in range(count):
    total += li[0][0]
    li = li[1:]
for i in range(5-count-1):
    total += (li[-1][0]+10-li[-1][1])
    li = li[:-1]
print(total+li[0][0])  