// Computes the odds of winning the lottery
// in games where you draw 5 balls 1...69 or 
// somethings alongs those lines.


import tio.*;

public class LotteryOdds { 

	public static void main(String[] args) {  
		System.out.println("How many numbers do you need to draw?");
		int numbers = Console.in.readInt();

		System.out.println("What is the highest number you can draw?");
		int topNumber = Console.in.readInt();
		
		long oddsAre = 1;

		for (int i = 1; i <= numbers; i++) {  
			oddsAre = oddsAre * topNumber / i;
			topNumber--;
		}

		System.out.println("Your odds are 1 in " + oddsAre + ". Good luck!");
   }


}