//
// output: 1, 3 ...

import java.util.Scanner;
public class OutputOdd
{
	public static void CountUp ( int num )
	{
		if (num>10)
			System.out.println();
		else
		{
	       System.out.print(num+" ");
	       CountUp(num+2);
	    }
	}

	public static void main(String[] args)
	{
		CountUp(1);
		System.out.println("\n\n");
	}
}