#include

#include

using namespace std;

int main$()\{$

double x;

x $=$ pow$(3\mathrm{.}0,$ sqrt$(4\mathrm{.}0))$;

$//$ Note: Trailing zeros not output

$//$ Ex: $99\mathrm{.}0$ is output as $99($no $\mathrm{.}0)$

cout $<<$ x $<<$ endl;

return $0$;

$\}$