using System;
public class Program
{
public static void Main()
double number = double.Parse(Console.ReadLine());
string input = Console.ReadLine();
string output = Console.ReadLine();
double m = 1.00;
double mm = 1000.00;
double cm = 100.00;
double mi = 0.000621371192;
double inn = 39.3700787;
double km = 0.001;
double ft = 3.2808399;
double yd = 1.0936133;;
}