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