Add Two Arrays

@array1 = (1, 2, 3);
@array2 = (4, 5, 6, 7);

if(@array1 > @array2) {
$len = @array1;
}
else {
$len = @array2;
}

for($i = 0; $i < $len; $i++) {
push(@sum, ($array1[$i]+$array2[$i]));
}
print "@sum";