#include<iostream> using namespace std; int main(){ int op; char c; cin>>c>>op; switch(c){ case 'P': printf("%.2c",op*0.7); break; case 'G': printf("%.2c",op*0.8); break; case 'S': printf("%.2c",op*0.9);; break; case 'C': printf("%.2c",op*0.95); break; } return 0; }