import java.util.Scanner;
 
public class CurrencyConverterMenu {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
 
        double amount;
        int choice;
 
        // Exchange rates (static for demonstration)
        double usdToInr = 83.25;
        double usdToEur = 0.92;
        double usdToGbp = 0.78;
        double usdToJpy = 150.45;
 
        double inrToUsd = 1 / usdToInr;
        double eurToUsd = 1 / usdToEur;
 
        System.out.println("===== Currency Converter =====");
        System.out.println("1. USD to INR");
        System.out.println("2. USD to EUR");
        System.out.println("3. USD to GBP");
        System.out.println("4. USD to JPY");
        System.out.println("5. INR to USD");
        System.out.println("6. EUR to USD");
        System.out.println("7. Exit");
        System.out.print("Enter your choice: ");
        choice = sc.nextInt();
 
        if (choice >= 1 && choice <= 6) {
            System.out.print("Enter amount: ");
            amount = sc.nextDouble();
        } else {
            System.out.println("Exiting program...");
            return;
        }
 
        switch (choice) {
            case 1:
                System.out.println("USD → INR: " + (amount * usdToInr));
                break;
 
            case 2:
                System.out.println("USD → EUR: " + (amount * usdToEur));
                break;
 
            case 3:
                System.out.println("USD → GBP: " + (amount * usdToGbp));
                break;
 
            case 4:
                System.out.println("USD → JPY: " + (amount * usdToJpy));
                break;
 
            case 5:
                System.out.println("INR → USD: " + (amount * inrToUsd));
                break;
 
            case 6:
                System.out.println("EUR → USD: " + (amount * eurToUsd));
                break;
 
            default:
                System.out.println("Invalid choice!");
        }
    }
}