import java.util.*;


public class Ajastin2 {

	long start, end = 0;
    String name = "";

    public Ajastin2() {
        start = System.nanoTime();
    }

    public Ajastin2(String n) {
        this();
        name = n;
    }

    public long stop() {
        end = System.nanoTime();
        return (end - start);
    }

    public void start() {
        start = System.nanoTime();
    }

    public void restart() {
        start = System.nanoTime() - (end - start);
    }

    public long time() {
        long t = end - start;
        if (end == 0)
            t += System.nanoTime();
        return t;
    }

    public long nanos() {
        long t = end - start;
        if (end == 0)
            t += System.nanoTime();
        return t;
    }

    public double micros() {
        long t = end - start;
        if (end == 0)
            t += System.nanoTime();
        return t/1000.0;
    }

    public double millis() {
        long t = end - start;
        if (end == 0)
            t += System.nanoTime();
        return t/(1000.0*1000.0);
    }

    public double sek() {
        long t = end - start;
        if (end == 0)
            t += System.nanoTime();
        return t/(1000.0*1000.0*1000.0);
    }

    public String toString() {
        long t = end - start;
        if (end == 0)
            t += System.nanoTime();

        return name + " " + t;
    }

}