diff --git a/playground/Demo/Demo24/Main.snow b/playground/Demo/Demo24/Main.snow
index 69de980..abda9ee 100644
--- a/playground/Demo/Demo24/Main.snow
+++ b/playground/Demo/Demo24/Main.snow
@@ -1,21 +1,24 @@
 module: Main
     import: ModuleA,os
+    globals:
+        declare const c: int = 10
     function: main
         returns: void
         body:
-            declare a: byte = ModuleA.sum(1b,2b)
+            declare a: int = ModuleA.sum(c,2)
+            os.print(a)
         end body
     end function
 end module
 
 module: ModuleA
     globals:
-        declare a: byte = 10b
+        declare const a: int = 10
     function: sum
         params:
-            declare a: byte
-            declare b: byte
-        returns: byte
+            declare a: int
+            declare b: int
+        returns: int
         body:
             return a + b
         end body