amount = float(input())
currency_from = input()
currency_to = input()
rates_to_BGN = {
    "USD": 1.79549,
    "EUR": 1.95583,
    "GBP": 2.53405,
    "BGN": 1
    }
result = rates_to_BGN.get(currency_from)*amount/rates_to_BGN.get(currency_to)
print(f"{result:.2f} {currency_to}")