lst = []
pairs = []

num = int(raw_input('How many numbers: '))
for n in range(num):
  numbers = int(raw_input('Enter number: '))
  lst.append(numbers)

target = sum(lst)

for index_i, i in enumerate(lst):
  for index_j, j in enumerate(lst):
    if index_j > index_i:
      if (i * j) > target:
        pair = '(' + str(i) + ',' + str(j) + ')'
        pairs.append(pair)

print pairs