#include<iostream> #include<iomanip> using namespace std; int main(){ char a; int b; double m; cin>>a>>b; switch(a){ case 'P': m=b*0.70; break; case 'G': m=b*0.80; break; case 'S': m=b*0.90; break; default: m=b*0.95; break; } cout<<fixed<<setprecision(2)<<m<<endl; return 0; }