Chapter2_SyntaxC_Ex5

import java.util.Scanner;
/*  ==================================================
          Chapter 2: Syntax section C- Arrays

         Ex5:Increase even Indexes - Decrease X3 indexes
    ===================================================
*/

public class MyProgram {
    public static void main(String[] args) {

        //variables
        final int SIZE=10;
        int arr[]=new int[SIZE];
        Scanner s=new Scanner(System.in);

        System.out.println("Enter 10 numbers: ");

        //loop init values
        for(int i=0;i<arr.length;i++){
            arr[i]=s.nextInt();     //user input

            if(i%2==0)
                arr[i]++;       //if index is X2 : increase value

            if(i%3==0)
                arr[i]--;      //if index is X3 : decrease value
        }

        //print array's value after change
        for(int n: arr)
            System.out.print(n+" ");
    }
}