Given the following code, what will the output be$?$

$```$

vector data;

int x $=1$;

for $($int i $=0$; i $<mtext></mtext><mn>4</mn>$; i$++)$

$\{$

x $*=2$;

$\}$

data.push$\_$back$($&x$)$;

for $($int i $=0$; i$<mn>4</mn>$; i$++)$

cout $*$data$[$i$]$;

$```$