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