--- a/progs/collatz.while	Mon Jul 27 11:02:48 2020 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-write "Input a number ";
-read n;
-while n > 1 do {
-  if n % 2 == 0 
-  then n := n/2 
-  else n := 3*n+1;
-};
-write "Yes";