#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; double b,c; cin>>a>>b; switch(a) { case 'P': c=b*0.7; break; case 'G': c=b*0.8; break; case 'S': c=b*0.9; break; default: c=b*0.95; break; } printf("%.2lf",c); return 0; }