1(a) = = undefined
2
3print undefin
4 { undefi
5 undefi
6un
7
8undefined 0;
9 undefined undefined 0; undefined 0; undefined if undefined } x u
10 undefined = int und
11 unde
12 undefined 0; for 0; for undefined x p
13 undefined print
14 undefined for u
15 undefined for undefined i 0; (a) i
16 undefined 0; print undefined 0; 0; u
17 undefined
18i