1149. Sinus Dances

import java.util.Scanner;

public class SinusDances {
    static StringBuilder sinusDance = new StringBuilder();

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

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

        for (int i = 0; i < n-1; i++) {
            sinusDance.append("(");
        }

        for (int i = 1; i <= n; i++) {

            if (i == n) {
                getAn(i);
                sinusDance.append(String.format("+%d", 1));
                continue;
            }

            getAn(i);
            sinusDance.append(String.format("+%d)", n +1 -i));
        }

        System.out.println(sinusDance.toString());
    }

    private static void getAn(int n) {
        for (int i = 1; i <= n; i++) {
            if (i % 2 == 1) {
                sinusDance.append(String.format("sin(%d-", i));
            } else {
                sinusDance.append(String.format("sin(%d+", i));
            }
        }
        sinusDance.setLength(sinusDance.length() - 1);
        for (int i = 0; i < n; i++) {
            sinusDance.append(")");
        }
    }

}