What is the output produced by the program below?

#include

using namespace std;

struct Pixels

$\{$

int color, style;

$\}$;

void showPoint$($Pixels P$)$

$\{$

cout $<<$ P$.$color $<<<<$ P$.$style $<<$ endl;

$\}$

int main$()$

$\{$

Pixels Point$1=\{5,3\}$;

Pixels Point$2=$ Point$1$;

Point$1.$color $+=2$;

showPoint$($Point$2)$;

return $0$;

$\}$

a$.$

$53$

b$.$

$5\mathrm{.}3$

c$.$

$73$

d$.$

$7\mathrm{.}3$