using System;

public class Program

{

    public static void Main()

    {

        int hours,minutes,seconds,total=0;

        Console.Write("Hours:");

        hours=Convert.ToInt32(Console.ReadLine());

        Console.Write("Minutes:");

        minutes=Convert.ToInt32(Console.ReadLine());

        Console.Write("Seconds:");

        seconds=Convert.ToInt32(Console.ReadLine());

        hours=hours*60*60;

        minutes=minutes*60;

        total=hours+minutes+seconds;

        Console.Write(total);

    }

}