public class Party
{
	public static void main(String[] args)
	{
		System.out.println("How many people are attending the party?");
		int numPeople = IO.readInt();

		if (numPeople <= 0)
		{
			System.out.println ("This isn't enough people for a party.");
			return;
		}
		if (numPeople > 0)
		{
			System.out.println("How many can of soda will each person drink?");
			int sodaEach = IO.readInt();

			System.out.println("How many cans of soda in each case?");
			int sodaInCase = IO.readInt();

			System.out.println("How much does a case of soda cost?");
			double sodaCost = IO.readDouble();

			double sodaNeeded = (numPeople * sodaEach);
			sodaNeeded = (sodaNeeded / sodaInCase);
			sodaNeeded = Math.ceil(sodaNeeded);
			sodaCost = (sodaNeeded * sodaCost);
			IO.outputDoubleAnswer(sodaNeeded);
			IO.outputDoubleAnswer(sodaCost);

			System.out.println("How many slices of pizza will each person eat?");
			int slicesEach = IO.readInt();

			System.out.println("How many slices in a pie?");
			int slicesInPie = IO.readInt();

			System.out.println("How much does a pizza pie cost?");
			double pizzaCost = IO.readDouble();

			double pizzaNeeded = (numPeople * slicesEach);
			pizzaNeeded = (pizzaNeeded / slicesInPie);
			pizzaNeeded = Math.ceil(pizzaNeeded);
			pizzaCost = (pizzaNeeded * pizzaCost);
			System.out.println(pizzaNeeded);
			System.out.println(pizzaCost);

			System.out.println("Your total cost is:");
			IO.outputDoubleAnswer(sodaCost + pizzaCost);
		}
	}
}