# include<iostream> using namespace std; int main() { char a; int b; cin>>a>>b; switch(a) { case 'P': printf("%.2lf", b*0.7); break; case 'G': printf("%.2lf", b*0.8); break; case 'S': printf("%.2lf", b*0.9); break; default: printf("%.2lf", b*0.95); } return 0; }