using System.Collections.Generic;
using System.Diagnostics;
using System;

public class TowerOfHanoi
{
    public static int Tower(int numOfDisks)
    {
        return numOfDisks;
    }

    public static int Tower(int n, string source, string aux, string dest, Dictionary<int, int> cache)
    {
		int count = 0;
		
		if(n == 1)
		{
			cache.Add(count++,count++);
			return 1;	
		}
		
		Tower(n-1, source, dest, aux, cache);
		cache.Add(count++,count++);
		Tower(n-1, aux, source, dest, cache);
		
        return (int)Math.Pow(2,n)-1;
    }

}

function removeEveryThird(str) 
{
    var returnString = ''; 
    var words = str.split(' '); 
    var counter = 0; 
    
    for (var i = 0; i < words.length; i++) 
    { 
        var word = words[i]; 
        counter = 0; 
        for (var j = 0; j < word.length; j++) 
        { 
            if (counter !== 3) 
            { 
                returnString += word.charAt(j); 
            }
            counter++;
        }
    }
    
    return returnString;
}

function prime_checker(n) 
{
  if(n <= 1)
  {
    return false;
  }
  for(var i = 2; i <= Math.sqrt(n); i++)
  {
    if(n%i == 0)
    {
      return false;
    }
  }
  return true;
}

public class Adder 
{
  
  public static int AddAllContent(int[] numbersToAdd) 
  {      
      
    int sum = 0;
    int index = 0;
    
    while(index != numbersToAdd.length)
    {
        sum+= numbersToAdd[index];
        index++;
    }
    
      
	return sum;
  }
  
}

import java.util.stream.IntStream;
public class Adder 
{
  public static int AddAllContent(int[] numbersToAdd) 
  {      
     int sum = IntStream.of(numbersToAdd).sum();
      
	return sum;
  }
}