In the program "Evening Urgant" M.Galkin told about the game that he was playing with his parents. Of the four license plate numbers using the arithmetic operators + - * / is necessary to get the number 10. For example, for 1234 one of the solutions 2 * 3/1 + 4 = 10. It is interesting to try first to resolve the mind option, and if it does not - the program prompts.