1038.java

import java.io.IOException;
import java.util.Scanner;

public class Main {
 
    public static void main(String[] args) throws IOException {
 
        int X, Y;
        double total = 0.0;

        Scanner sc = new Scanner(System.in);
        
        X = sc.nextInt();
        Y = sc.nextInt();
        
        if (X==1) {
            total = 4*Y;
        } else if (X==2) {
            total = 4.5*Y;
        } else if (X==3) {
            total = 5*Y;
        } else if (X==4) {
            total = 2*Y;
        } else if (X==5) {
            total = 1.5*Y;
        }
        
        System.out.printf("Total: R$ %.2f\n", total);

    }
 
}