отв 345925
tovary = list()
tovary_dorozhe_90 = list()
for i in range(int(input())):
    price = int(input())
    if price > 90:
        tovary_dorozhe_90.append(price)
    else:
        tovary.append(price)
tovary_dorozhe_90.sort()

for i in range(len(tovary_dorozhe_90)// 2):
    tovary_dorozhe_90[i] *= 0.65
print(sum(tovary) + sum(tovary_dorozhe_90))   # 345924.4 = 345925