public class Main {

    public static void main(String[] args) {
        final double INF = Double.POSITIVE_INFINITY;
        System.out.println(INF + 1);
        System.out.println(INF + INF);
        System.out.println(Math.max(INF, 1));
        System.out.println(Math.max(INF, INF));
    }

}