using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    static int Sum (int[]a)

    {

        int sum = 0;

        for (int i = 0;i<a.Length;i++)

        {

            sum = sum+a[i];

        }

        return sum;

    }

    public static void Main()

    {

       int n = int.Parse(Console.ReadLine());

        int [] b = new int [n];

        for(int i = 0 ;i<n;i++)

    }

}