package euler;
public class Change
{
	private int one;
	private int two;
	private int five;
	private int ten;
	private int twenty;
	private int fifty;
	private int pound;
	private int twopound;
	
	public Change( int x)
	{
		twopound = x;
	}
	public boolean makeChange()
	{
		if(two>0)
		{
			two -= 1;
			one += 2;
		}else if(five>0)
		{
			five -= 1;
			two += 2;
			one += 1;
		}else if(ten>0)
		{
			ten -= 1;
			five += 2;
		}else if(twenty>0)
		{
			twenty -= 1;
			ten += 2;
		}else if(fifty>0)
		{
			fifty -= 1;
			twenty += 2;
			ten += 1;
		}else if(pound>0)
		{
			pound -= 1;
			fifty += 2;
		}else if(twopound>0)
		{
			twopound -= 1;
			pound += 2;
		} else
			return false;
		return true;
	}

	
	public int sum()
	{
		return one+2*two+5*five+10*ten+20*twenty+50*fifty+100*pound+200*twopound;
	}
	public String toString()
	{
		return one+"x1p + "+two + "x2p + "+five + "x5p + "+ten+"x10p + "+twenty+"x20p + "+fifty+"x50p + "+pound+"x100p + "+twopound+"x200p";
	}
}