Task13

import java.util.Scanner;

public class Task13 {
    public static void main(String[] args) {
        int a, b, h;
        Scanner in = new Scanner(System.in);
        a = in.nextInt();
        b = in.nextInt();
        h = in.nextInt();
        while(a < b){
            if(a > 2) System.out.println(a);
            else System.out.println(-a);
            a += h;
        }
    }
}