import java.util.*;
import java.lang.*;

class Main
{
    public static void main (String[] args) throws java.lang.Exception
    {
        Random random = new Random(1234567);
        int min = 5;
        int max = 20;
        while (true) {
            int x = (int)(Math.random() * max) + min;
            System.out.println(x);
            if (x < min || x >= max) { break; }
        }		
    }
}