# include<iostream> using namespace std; int main(){ char a; int b; cin>>a>>b; switch(a){ case 'P': printf("%.2f",b*0.7); break; case 'G': printf("%.2f",b*0.8); break; case 'S': printf("%.2f",b*0.9); break; default: printf("%.2f",b*0.95); break; } return 0; }