# include<iostream> # include<iomanip> using namespace std; int main(){ int p; char c; double m; 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; break; } cout<<fixed<<setprecision(2)<<m<<endl; return 0; }