import java.util.ArrayList;

public class MonkeyChain
{
    private ArrayList<String> monkeyChain;
    
    public MonkeyChain()
    {
        monkeyChain = new ArrayList<String>();
        addMonkey("red");
    }
    
    public void addMonkey(String color)
    {
        monkeyChain.add(color);
    }
    
    public int chainLength()
    {
        return monkeyChain.size();
    }
    
    public void printChain()
    {
        //TODO
    }
    
    public int longestRun()
    {
        return 0;
    }
    
    public int countRedMonkeys()
    {
        return countRedMonkeysAux(0); // start counting with the contents of slot 0
    }
    
    public int countRedMonkeysAux(int slot)
    {
        //TODO
        return 0;
    }
}