#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(){ char a; int b; cin>>a>>b; switch(a){ case 'P':cout<<b*0.7;break; case 'G':cout<<b*0.8;break; case 'S':cout<<b*0.9;break; default :cout<<b*0.95;break; } return 0; }