#нахождение второго максимума
# вводится 100 чисел, напечатать второй максимум


max_number = int(input()) #99
max_2number = int(input()) #97
if max_number < max_2number:
    max_number, max2_number = max2_number, max_number

for i in range(8):
    number = int(input()) #99
    if number > max_number:
        max_2number = max_number
        max_number = number
    elif number > max_2number:
        max_2number = number

print(max_2number)