var 
k,m:integer;
begin
writeln ('Ââåäèòå k è m');
readln (k,m);
if m=-2 then writeln ('y=',12*k) else
if m=7 then writeln ('y=',6*k*k*k) else 
if m=9 then writeln ('y=',k*k) else
if m=-5 then writeln ('y=',k+2) else 
writeln ('ERROR');

end.