#include<iostream> using namespace std; int main(){ int n; char m; cin>>n>>m; if(m=='y'&&n>=1000&&n%500!=0){ n=((n-1000)/500+1)4+5+8; } else if(m=='y'&&n>=1000){ n=(n-1000)/504+5+8; } else if(m=='n'&&n>=1000&&n%500!=0){ n=((n-1000)/500+1)*4+8; } else if(m=='n'&&n>=1000&&n){ n=((n-1000)/500)*4+8; } cout<<n; return 0; }

#include<bits/stdc++.h> using namespace std; int main() { long long x,n=0; char c; cin>>x>>c; n=8; x-=1000; if(c=='y') n+=5; for(int i=1;i>=0;) { if(x>0) { n+=4; x-=500; } else break; } cout<<n; return 0; }