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