metric_converter_dict = {'m': 1, 'mm': 100, 'cm': 100, 'mi': 0.000621371192, 'in': 39.3700787,
                         'km': 0.001, 'ft': 3.2808399, 'yd': 1.0936133}

number = int(input())
source_metric = input().lower()
dest_metric = input().lower()

if source_metric in metric_converter_dict.keys() and dest_metric in metric_converter_dict.keys():
    result = (metric_converter_dict[source_metric] / metric_converter_dict[dest_metric]) * number

print(f'{result} {dest_metric}')