Introduction - If you have any usage issues, please Google them yourself
Compiled by N (N < 50) an even number of and (2+4+6+ ...) of the subroutine and receive input N and the results (for example: 2+4+6 = 12) shows the main program. The characters on the keyboard to judge, if not numbers, display the prompt, enter the double digits. To determine the numbers of input, if the number entered is not between 1 to 50, suggesting that re-enter. The end of the displayed message, press any key to exit. In the beginning of the program to show his student ID and name (Pinyin). The preparation of a main module, the preparation of a subroutine module. To achieve the parameters passed.