#!/usr/bin/awk -f
Begin {sum=0; count=0; kovachok=0}

NR == 1 {min_age=$3; first_name=$2; last_name=$1}
$3 > 50 {sum+=$3; count++}
min_age > $3 {min_age=$3; first_name=$2; last_name=$1}
$1 == "Kovach" {kovachok++}

END{print "Az 50 ev feletti dolgozok atlag eletkora: ", (sum/count)
    print "A legfiatalabb dolgozo: ", last_name, first_name, min_age
    print "Kovachok szama: ", kovachok
}