Data update

Task/Odd-word-problem/Nom/odd-word-problem.num

@@ -0,0 +1,23 @@
+#*
+GRAMMAR PARSE TOKENS
+  no tokens required, except to store odd/even state
+
+HISTORY
+  13 sept 2021: written
+
+*#
+
+ begin { add "odd*"; push; }
+ read;
+ [:alpha:] {
+   pop;
+   B"odd*" { push; get; put; clear; }
+   B"even*" { push; swap; get; put; clear; }
+ }
+ ![:alpha:].!"" {
+   pop;
+   B"odd*" { replace "odd*" "even*"; push; }
+   B"even*" { replace "even*" "odd*"; push; }
+   swap; print; clear; swap; print; clear;
+ }
+ (eof) { get; print; }