import java.util.regex.*;

class WithDotStar {
    protected static final Pattern aminoAcids = Pattern.compile(".*[FLIPQE].*");
    static int NUMBER_OF_TRIALS = 1000;

    public static void main(String[] args) {
        if (args.length != 1) {
            System.err.println("Usage: java WithDotStar <length>");
            System.exit(1);
        }

        int length = Integer.parseInt(args[0]);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < length; ++i)
            sb.append('?');

        for (int n = 0; n < NUMBER_OF_TRIALS; ++n)
            aminoAcids.matcher(sb.toString()).matches();
    }
}