BEGIN {FS=":";OFS=":"} {total_seconds=total_seconds+$3} total_seconds>=60 {total_seconds=total_sconds-60   $2=$2+1  }{total_minutes=total_minutes+$2  $2=$2+1  }{total_minutes=total_minutes+$2} total_minutes>=60{total_minutes=total_minutes-60 $1=$1+1}{total_hours=total_hours+$1}END{PRint $1,$2,$3}