#include<bits/stdc++.h> using namespace std; int main(){ double a; char b; cin>>b>>a; switch(b){ case 'P':cout<<a*0.7*1.0;break; case 'G':cout<<a*0.9*1.0;break; case 'S':cout<<a*0.95*1.0;break; default: cout<<" "; } return 0; }