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