Untitled

import java.util.Scanner;

public class App {
    public static void main(String[] args) throws Exception {
        Scanner input = new Scanner(System.in);
        System.out.print("Please enter Air Quality Health Index (1- 10+) :");
        int x = input.nextInt();

        if(x >=1 && x<=3)
            System.out.print("Health Risk Category: Low");
        else if (x>=4 && x<=6)
            System.out.print("Health Risk Category: Moderate");
        else if (x==7)
            System.out.print("Health Rick Category: High");
        else if (x>=8 && x<=10)
            System.out.print("Health Rick Category: Very Hight");
        else if (x >=10)
            System.out.print("Health Rick Category: Serious");
    }
}