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