11.Find Largest Number

N = int(input())
largest = -501
second_largest = -501
third_largest = -501

for x in range (1,N+1):
    number = int(input())
    if number >= largest:
        third_largest = second_largest
        second_largest = largest
        largest = number
    elif number >= second_largest:
        third_largest = second_largest
        second_largest = number
    elif number >= third_largest:
        third_largest = number

print (f'{largest}, {second_largest} and {third_largest}')