diff --git a/implementations/main.bat b/implementations/main.bat
new file mode 100644
index 0000000..cfef07a
--- /dev/null
+++ b/implementations/main.bat
@@ -0,0 +1,5 @@
+@echo off
+set isPrime=false
+if defined isPrime (
+  echo %isPrime%) else (
+echo false)