using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        // Can be higher than the previous but lower to the next one 

        List<ListPlayerStack> playerStack = new()

        {

            new ListPlayerStack() { Position = "BU", Stack = 50 },

            new ListPlayerStack() { Position = "SB", Stack = 90 },

            new ListPlayerStack() { Position = "BB", Stack = 179 },

        };

        var s = playerStack.OrderByDescending(x => x.Stack);

        decimal? highestStack = s.FirstOrDefault().Stack;

        decimal? secondHighestStack = s.ElementAt(1).Stack;

        if (highestStack != playerStack.ElementAtOrDefault(0).Stack)

        {

            playerStack.ForEach(p => 

                                {

                                    if (p.Stack <= secondHighestStack)

                                        Console.WriteLine(p.Stack);

                                    else

                                        Console.WriteLine(secondHighestStack);

                                });

        }

        /*int[] values = new int[] { 50, 300, 700 };

        int[] clonedValues = values.ToArray();

        Array.Sort(clonedValues);

        Array.Reverse(clonedValues);

        int countVal = values.Count();

        var highestValue = clonedValues[0];

        var secondHighestValue = clonedValues[1];

        // Si el valor más alto es igual al primer resultado, los stacks se mantienen, por lo que no precisa hacer la conversión

        if (highestValue != values[0])

        {

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

            {

                if (values[i] <= secondHighestValue)

                    Console.WriteLine(values[i]);

                else

                    Console.WriteLine(secondHighestValue);

            }

        }*/

    }

}

public class ListPlayerStack

{

    public string Position { get; set; }

    public decimal? Stack { get; set; }

}