package cool;
import java.util.Scanner;
public class wool {
    public static void main(String[] args) {
        //круг по радиусу
        Scanner scan = new Scanner(System.in);
        System.out.println("Введите радиус");
        double cm = scan.nextDouble();
        System.out.println("Окружность равна "+cm*6.28 );


        //секунды в нормальное время
        Scanner scan = new Scanner(System.in);
        System.out.println("Введите секунды");
        int sec = scan.nextInt();
        int hours = sec/3600;
        int minutes = (sec-hours*3600)/60;
        int seconds = sec-hours*3600-minutes*60;
        System.out.println(hours+";"+minutes+";"+seconds );

    }

}