foreach $linex(@lines0){
         @lines=split(/ /,$linex);
         $time=$fields[4];
         @units=split(/:/,$time);
         $sec=$units[2];
         $min=$units[1];
         $hrs=$units[0];
         $tsec+=$sec;
         $tmin+=$min;
         $thrs+=$hrs;

if ($tmin>60){
    $rolloverm=$tmin%60;
    $tmin=$rolloverm;
    $thrs+=1;
}

if ($tsec>60){
   $rolloverm=$tmin%60;
   $thrs+=1;
}
print "Total time is $tmin minutes and $tsec seconds\n";