program Project9;
{$APPTYPE CONSOLE}
var P,N:integer;
begin
writeln('Skilki vajyt odyn pidruchnyk');
readln(P);
writeln('Skilki pidruchnykiv');
readln(N);
writeln('Vaga zbilshytsia na ',trunc(P*N/1000),' kilogram');
readln;
end.