shuru = int(input()) n = shuru shuru = input().split() shuru.sort() time = 0 flag = 0 unique_count = len(set(shuru)) for i in range(n): if shuru[i] == '0': flag = 1 if flag: unique_count -= 1 time += int(shuru[n - 1]) * 10 time += n time += unique_count * 5 print(time)