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