using System;

public class Program

{

    public static void Main()

    {

      string s ;

      double x1, t1, x2, t2;

      Console.WriteLine("Vitolds, metrus");

      s=Console.ReadLine();

      x1=double.Parse(s);

      Console.WriteLine("Vitolds, sekundēs");

      s=Console.ReadLine();

      t1=double.Parse(s);

      Console.WriteLine("Kārlis, metrus");

      s=Console.ReadLine();

      x2=double.Parse(s);

      Console.WriteLine("Kārlis, sekundēs");

      s=Console.ReadLine();

      t2=double.Parse(s);

    }

}