TOPIC

import java.util.*;

public class Main { public static void main(String args[]) {

    Scanner scan = new Scanner(System.in);

    int a = scan.nextInt();
    int b = scan.nextInt();

    if(a == 1){
        double sum = 4*b;
        System.out.printf("Total: R$ %.2f\n", sum);

    }
    else if(a == 2){
        double sum1 = 4.5*b;
        System.out.printf("Total: R$ %2.f\n", sum1);

    }
    else if(a == 3){
        double sum2 = 5*b;
        System.out.printf("Total: R$ %2.f\n", sum2);

    }
    else if(a == 4){
        double sum3 = 2*b;
        System.out.printf("Total: R$ %2.f\n", sum3);

    }
    else if(a == 5){
        double sum4 = 1.5*b;
        System.out.printf("Total: R$ %2.f\n", sum4);

    }

}

}