String out = "";
        Random randomGenerator = new Random();
        for(int i = 0; i < 250000;i++){
            out += "IN ";
            out += randomGenerator.nextInt(600000) + 1 + " ";
        }
        PrintWriter output = new PrintWriter(System.getProperty("user.dir") + "\\input250.txt");
        output.println(out);
        output.close();
        out = "";