#include<stdio.h>
#include<math.h>
int main()
{
    int x,y;
    double a;
    scanf("%d %d",&x,&y);
    if(x == 1)
    {
        a=y * 4.00;
       printf( "Total: R$ %.2lf " , a ); 
    }
    else if(x==2)
    {
        a=y * 4.50;
        printf( "Total: R$ %.2lf " , a );
    }
    else if(x==3)
    {
        a=y * 5.00;
        printf( "Total: R$ %.2lf " , a );
    }
    else if(x==4)
    {
        a=y * 2.00;
        printf( "Total: R$ %.2lf " , a );
    }
    else if(x==5)
    {
        a=y * 1.50;
        printf( "Total: R$ %.2lf ", a );
    }
    return 0;
}