public class Linear {

    public static void main(String[] args) {

	long time = System.currentTimeMillis();
        long n = Long.parseLong(args[0]);
        long total = 0;
	for(long i=1; i<=n; i++){
	    total = total + 1;
	}
	System.out.println(total);
	System.out.println("Time elapsed: " + 
                           (System.currentTimeMillis() - time) + " ms");

    }
}