03. Combinations

package nestedLoops_Lab;

import java.util.Scanner;

public class Combinations {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        int combinationsCount = 0;

        for (int x1 = 0; x1 <= n; x1++) {

            for (int x2 = 0; x2 <= n; x2++) {

                for (int x3 = 0; x3 <= n; x3++) {

                    int result = x1 + x2 + x3;
                    if (result == n) {
                        combinationsCount++;
                    }
                }

            }

        }

        System.out.print(combinationsCount);


    }
}