package com.company;
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Введите n");
        int n = 0;
        n = scanner.nextInt();
        System.out.println("Введите m");
        int m = 0;
        m = scanner.nextInt();
        int numb;
        m = m - 1;
        numb = n;
        for (int i = 1; i <= m; i++) {
            numb = numb * (n - i);
        }
        System.out.println("Количество размещений =" + numb);
    }
}