prog.cs(1,7): error CS0246: The type or namespace name `UnityEngine' could not be found. Are you missing an assembly reference?
prog.cs(3,29): error CS0246: The type or namespace name `MonoBehaviour' could not be found. Are you missing an assembly reference?
prog.cs(5,9): error CS0246: The type or namespace name `Transform' could not be found. Are you missing an assembly reference?
Compilation failed: 3 error(s), 0 warnings