--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/progs/while-tests/andor.while	Fri Feb 26 08:47:18 2021 +0000
@@ -0,0 +1,6 @@
+n := 0;
+if ((n == 0) || (n == 1)) && ((n == 2) || (n <= 0)) then {
+    write "yes"
+} else {
+    write "no"
+}
\ No newline at end of file