#include<iostream> using namespace std; int main() { int x; char a; cin>>x>>a; if(a=='y'){ if(x<=1000) { cout<<"13"; } if(x>1000){ x=x-1000; x=x-x%500; x=x/500+1; x=4*x+13; cout<<x; } } if(a=='n'){ if(x<=1000){ cout<<"8"; } if(x>1000){ x=x-1000; x=x-x%500; x=x/500+1; x=4*x+8; cout<<x; } } }