using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

​

                    List<int> arr = new List<int>(){100,50,20,10};

        List<int> result = new List<int>();

        int entry = 30;

        //int checkVal = entry - arr.Max();

        for(int i= 0; i < arr.Count(); i++){

            int x = arr[i];

            int checkVal = entry - x ;

             if(checkVal >= 0){

                int max = arr.Max(); // 20

                int temp = entry - max; //10

                 if(temp <= max){

                     result.Add(max);

                     entry = temp;

                     arr.Remove(max);

                     i--;

                 }

        }else{

          arr.Remove(x);

          i--;

        }

        }

        foreach(int x in result){

            Console.WriteLine(x);

        }

    }

}