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