TwoNumbersSum

import java.util.Scanner;

public class NumbersSum {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int start_interval = Integer.parseInt(scanner.nextLine());
        int end_interval = Integer.parseInt(scanner.nextLine());
        int magic_number = Integer.parseInt(scanner.nextLine());
        int counter = 0;
        int sum = 0;
        int m = 0;
        int n = 0;
        int counter_end = 0;
        boolean isEqual = false;
        for (int i = start_interval; i >= end_interval; i--) {
            for (int j = start_interval; j >= end_interval; j--) {

                sum = i + j;
                counter++;
                if (magic_number == sum) {
                    counter_end = counter++;
                    m = i;
                    n = j;
                    isEqual = true;
                }

            }
        }


        if (isEqual) {
            System.out.println("Combination N:" + counter_end);
            System.out.println("(" + m + " + " + n + " = " + magic_number + ")");
        } else {
            System.out.println(counter + " combinations - neither equals " + magic_number);
        }

    }
}