<?php
$value = readline();
$in = readline();
$out= readline();


            if ($in == "USD") $value = $value * 1.79549;
            else if ($in == "EUR") $value = $value * 1.95583;
            else if ($in == "GBP") $value = $value * 2.53405;


            if ($out == "USD") $value = $value / 1.79549;
            else if ($out == "EUR") $value = $value / 1.95583;
            else if ($out == "GBP") $value = $value / 2.53405;


            printf("%.2f $out",$value);