#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset09 #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a; char P; cin>>P>>a; switch(P){ case 'P': printf("%.2lf",a*0.7);break; case 'G': printf("%.2lf",a*0.8);break; case 'S': printf("%.2lf",a*0.9);break; default: printf("%.2lf",a*0.95);break; } return 0; }