#include <iostream>
#include <cmath>
using namespace std;
int main() {
int n,w, res;
cin>>n>>w;
res=n*10;
if(n>2)
res+=20;
if(n==5)
res+=50;
if(w>1000)
res-=15;
cout<<max(res,0);
return 0;
}
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