A school inspector came to Vovochka's class and sat with him in the first row. The young female teacher writes a problem on the chalkboard: 2x2=, accidently drops the chalk and bends over to pick it up. - So, kids? Vovochka? - What an ass!!! - Get out and return with your parents!!! Vovochka, leaving the classroom, to the inspector: - And you, if you don't know, don't hint!