20171109 - 03 - classEx_03

package myApp;

import java.util.Scanner;

public class class03_03 {

    public static void main(String[] args) {
        //init vars
        int n       = 0;

        //usage msg
        System.out.println("Integer: ");

        //open in_Stream, parse & close
        Scanner s = new Scanner(System.in);
        n = s.nextInt();
        s.close();

        //loop n+1 times  (+1 to include 0 in our check)
        for (int i=0; i<=n; i++) {
            if (i%3 == 0) { System.out.println(i); } //check if i/3 = Integer, and print n if yes
        }

    }

}