A = [input() for i in range(5)]
A.sort(key = lambda x:x[-1])
A = [int(a) for a in A]
res = 0
for a in A:
	if a%10 == 0:
		res += a
	else:
		while a%10 != 0:
			a += 1
		res += a 
for a in A:
	if a%10 != 0:
		res -= a%10
		print(res)
		exit()
print(res)