1{
2 line = substr($0, index($0, " "))
3 print line
4 n = split(line, x)
5 x[$0, $1] = $0
6 print x[$0, $1]
7 print "<<<"
8for (i in x) print i, x[i]
9 print ">>>"
10 if (($0,$1) in x)
11 print "yes"
12 if ($1 in x)
13 print "yes"
14 else
15 print "no"
16}
17