public class Battleship {

    public static void main(String[] args){

    if (args.length != 2){
        System.err.println("Usage: java Battleship N config-file");
        System.exit(0);
        }

    int testint;
    try {
        testint = Integer.parseInt(args[0]);
        } catch (NumberFormatException nfe) {
            System.err.println("Usage: java Battleship N config-file");
        }

    try {
        testint = Integer.parseInt(args[0]);
        if(testint < 5);
        } catch (NumberFormatException nfe) {
            System.err.println("Board must be at least 5 by 5.");
        }
    try {
        testint = Integer.parseInt(args[0]);
        if(testint > 26);
        } catch (NumberFormatException nfe) {
            System.err.println("Board must be at most 26 by 26.");
        }
    }
}