package Laba2_1;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        double y, a;

        Scanner inp = new Scanner(System.in);
        System.out.print("a=");
        a = inp.nextDouble();
        inp.close();


        if ((a == -1) | (1 <= a & a <= 3)) {
            y = Math.sqrt(Math.pow(Math.sin(a), 2));
        } else if ((5 <= a & a <= 14) | (a == 29.35) | (a >= 80)) {
            y = 2 + Math.cbrt(a + 1);
        } else if ((a < -20) | ((a == 20.44))) {
            y = Math.pow(a, 2) + 2;
        } else {
            y = 1 - a;
        }

            System.out.printf("y=%1.4f", y);
    }
}