Day 0

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        float[] arr = new float[n];
        int[] count = new int[n];
        float sum = 0;
        for(int i=0;i<n;i++){
            count[i] =0;
            arr[i] = scan.nextInt();
            sum = sum + arr[i];
        }
        Arrays.sort(arr);
        float mean = sum/n;
        float median;
        System.out.println(mean);
        if(n%2==0)
             median = (arr[n/2] + arr[n/2-1])/2;
        else
             median = arr[n/2];
        System.out.println(median);
        for(int i=0;i<n;i++){
            for(int j=i+1;j<n;j++){
                if(arr[i]==arr[j]){
                    count[i]++;
                    arr[j]=-1;
                }
            }
        }
        int max =0;
        float mode = arr[max];
        for(int i=0;i<n;i++){
            if(count[i]>max){
                max = count[i];
                mode = arr[i];
            }
        }
        System.out.println(mode);
        
        
        
    }
}