migratory-birds

#!/bin/python3

import math
import os
import random
import re
import sys

#
# Complete the 'migratoryBirds' function below.
#
# The function is expected to return an INTEGER.
# The function accepts INTEGER_ARRAY arr as parameter.
#

def migratoryBirds(arr):
    dic = {}
    for elem in arr:
        if elem not in dic:
            dic[elem] = 1
        else:
            dic[elem] += 1
    lista = sorted(dic.items() , reverse=True, key=lambda x: x[1])
    
    end = len(lista)
    while end > 1:
        change = False
        counter = 0
        while counter < (end-1):
            if lista[counter][1] == lista[counter+1][1] and lista[counter][0] > lista[counter+1][0]:
                change = True
                temporary = lista[counter]
                lista[counter] = lista[counter+1]
                lista[counter+1] = temporary
            counter += 1
        if not change:
            break
        end -= 1

    return(lista[0][0])
    
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    arr_count = int(input().strip())

    arr = list(map(int, input().rstrip().split()))

    result = migratoryBirds(arr)

    fptr.write(str(result) + '\n')

    fptr.close()