03. Combinations

package NestedLoops;

import java.util.Scanner;

public class P03Combinations {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int number = Integer.parseInt(scanner.nextLine());

        int countCombinations = 0;

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

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

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

                    int currentCombination = x1 + x2 + x3;

                    if (currentCombination == number){

                        countCombinations++;

                    }

                }
            }

        }

        System.out.println(countCombinations);


    }
}