inp = []
tmp = 10
ans = 0
for _ in range(5):
    inp.append(input())
for i in range(5):
    if tmp > int(inp[i][-1]) and int(inp[i][-1]) != 0:
        tmp = int(inp[i][-1])
        temp = i
last = inp.pop(temp)
for j in inp:
    if j[-1] == "0":
        ans += int(j)
    else:
        ans += int(j[:-1]+ "0") + 10
ans += int(last)
print(ans)