#include<bits/stdc++.h> using namespace std; int b; char a; int main(){ cin>>a>>b; switch(a){ case 'P': printf(".2lf",b*0.7) case 'G': printf(".2lf",b*0.8) case 'S': printf(".2lf",b*0.9) default:printf(".2lf",b*0.95) } return 0; }