# include<iostream> # include<iomanip> using namespace std; int main(){ char b; double a; cin>>b>>a; cout<<fixed<<setprecision(2); switch(b){ case 'P': cout<<a*0.7<<endl; break; case 'G':cout<<a*0.8<<endl; break; case 'S':cout<<a*0.9<<endl; break; default:cout<<a*0.95<<endl; break; } return 0; }