#include <iostream>
#include <math.h>
using namespace std;
int main() {
int a;
cin>>a;
int b;
cin>>b;
if(1./3*sqrt(a)*b*sqrt(a) == 2)
cout<<"dziala";
else cout<<"nie dziala";
cout<<endl<<1./3*sqrt(a)*b*sqrt(a);
return 0;
}
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