//TASK 1
import java.util.Scanner;


public class Task1 {


	public static void main(String[] args)   {

	int fact = 1;
	long p = 1 ;
	int z = 1;
	int c = 1;
	Scanner input = new Scanner(System.in);
	int n = input.nextInt();
	int k = input.nextInt();
	input.close();
	for(int i = 1; i <= k; i ++)
	{
		p =(long) (p*(n - k + i));
	}
	System.out.println(p);

	while(z <= k)
	{
		fact = fact * z;
		z++;
	}
	System.out.println(fact);
	c = (int) (p / fact);

	System.out.println(c);

	}


}
///TASK2
import java.util.Scanner;

public class Task2 {

	public static void main(String[] args) {

          Scanner input = new Scanner(System.in);
          System.out.println("Enter from how many numbers we extract: ");
          int n = input.nextInt();
          System.out.println("Enter how many numbers we extract:");
          int k = input.nextInt();
          int[] arr = new int[k];
         input.close();

          for(int i = 0; i < k; i++)
          {
        	  int random =  (int) (Math.random() * n) + 1;

        	   for (int j = 0; j < i; j++ )
        	   {
        		   if (arr[j] == random)
        		   {
        			   random = (int) (Math.random() * n) + 1;
        			   j = -1;
        		   }

        	   }
        	   arr[i] = random;

          }
          for(int i = 0; i < k; i ++)
        	  System.out.println(arr[i] + " ");
	}
}

///// TASK4