#include <iostream> 
#include <iomanip>
using namespace std;

int main(){
    int x,y,total;
    cin >> x >> y;
    switch(x){
        case(1):
            total = y * 400;
            break;
        case(2):
            total = y * 450;
            break;
        case(3):
            total = y * 500;
            break;
        case(4):
            total = y * 200;
            break;
        case(5):
            total = y * 150;
            break;
        default:
            break;
    }
    cout << fixed << "Total: R$ " << setprecision(2) << (float)(total/100.0);
    return 0;
}