#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
long int gs,bs,hr,da;
while(t--)
{
cin>>bs;
if(bs<1500)
gs=(bs+bs*0.1+bs*0.9);
else
gs=(bs+500+bs*0.98);
cout<<fixed<<setprecision(2)<<gs<<endl;
}
return 0;
}
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