#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ double a; char p; cin>>p>>a; switch(p) { case 'P': cout<<a*0.7<<endl; break; case 'G': cout<<a*0.8<<endl; break; case 'S': cout<<a*0.9<<endl; break; default: cout<<a*0.95; break; } return 0; }