ProgBasicsJavaBook2.1SimpleCalculations12CurrencyConverter*

import java.util.Scanner;

public class Y12CurrencyConverter {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double sum = Double.parseDouble(scanner.nextLine());
        String from = scanner.nextLine(); //USD
        String to = scanner.nextLine();  //EUR
        // BGN USD EUR GBP
        if (from.equals("USD")) {
            sum = sum * 1.79549;
        } else if (from.equals("EUR")){
            sum = sum * 1.95583;
        } else if (from.equals("GBP")){
            sum = sum * 2.53405;
        }
        // BGN
        if (to.equals("USD")) {
            sum = sum / 1.79549;
        } else if (to.equals("EUR")){
            sum = sum / 1.95583;
        } else if (to.equals("GBP")){
            sum = sum / 2.53405;
        }
        System.out.printf("%.2f %s", sum, to);

    }
}