n = int(input())
sum = 0
numString = list()
for x in range(n):
    num = float(input())
    numString.append(num)
    sum += num
avg = '%.2f' % (sum/n)
min = min(numString)
max = max(numString)
print(f'min={ "% .2f "% (min)}')
print(f'max={ "% .2f "% (max)}')
print(f'sum={ "% .2f "% (sum)}')
print(f'avg={avg}')