该程序实现在TC下输出INT数的方法。在调用输入函数时，只能输出满足INT范围的数据，当输入非法数据时，不做任何动作，可以有效防止错误输入-The program to achieve the TC output INT number of methods. When the input function is called, the only output to meet the the INT range of data, when illegal data is entered, no action can effectively prevent erroneous input