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