MigratoryBirds.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

public class MigratoryBirds {

    // Complete the migratoryBirds function below.
    public static int migratoryBirds(List<Integer> arr) { 
           int[] array = new int[6];
           for(int i=0;i<arr.size();i++){
               array[arr.get(i)]++;
           } 
           
           int result = 0,  max = 0;
           for(int i=1;i<6;i++){
               if(array[i] > max){
                  max = array[i];
                  result = i;
               }
           } 

            return result;

        }

    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int arrCount = Integer.parseInt(bufferedReader.readLine().trim());

        List<Integer> arr = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
            .map(Integer::parseInt)
            .collect(toList());

        int result = migratoryBirds(arr);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}