--- a/mod7.nsb	Tue Oct 18 18:42:18 2022 -0400
+++ b/mod7.nsb	Tue Oct 18 19:23:05 2022 -0400
@@ -1,5 +1,5 @@
 {if:{argslen}|=|1|then:{
-if:{arg:0}|=|--oem|then:{choose:95|96|97|98|99|00|01|02|03}{set:day|{range:1|365}}{repeat:{len:{substring:{repeat:3|a}|{len:{get:day}}}}|0}{get:day}-OEM-{lua:
+if:{arg:0}|=|--oem|then:{set:day|{range:1|365}}{repeat:{len:{substring:{repeat:3|a}|{len:{get:day}}}}|0}{get:day}{choose:95|96|97|98|99|00|01|02|03}-OEM-{lua:
 function sumdigits(n)
 	local sum = 0
 	while n > 0 do
@@ -11,8 +11,9 @@
 
 the = 1
 while (sumdigits(the) % 7 ~= 0) do
-	the = (math.random(1, 99999)*10)+math.random(1,7)
+	the = math.random(1, 99999)
 end
+the = (the*10)+math.random(1,7)
 print(string.format("%07d", the))
 }-{set:day|{range:1|99999}}{repeat:{len:{substring:{repeat:5|a}|{len:{get:day}}}}|0}{get:day}|else:
 {set:first|{range:111|999}}{
@@ -25,8 +26,17 @@
 if:{get:first}|=|999|then:{set:first|998}}{get:first}{
 if:{arg:0}|=|--office|then:{
 if:{substring:{get:first}|2|3}|=|9|then:0|else:{len:{repeat:{substring:{get:first}|2|3}|a}{repeat:1|a}}}}-{lua:
+function sumdigits(n)
+	local sum = 0
+	while n > 0 do
+		sum = sum + n%10
+		n = math.floor(n/10)
+	end
+	return sum
+end
+
 the = 1
-while (the % 7 ~= 0) do
+while (sumdigits(the) % 7 ~= 0) do
 	the = (math.random(1, 999999)*10)+math.random(1,7)
 end
 print(string.format("%07d", the))