如何从键盘获取输入而不询问他想要输入的输入数量

I have tried to code in which the code stop processing input after reading in the number 42. All numbers at input are integers.In this code the user is asked to give the number of input he wants to give.But I am not getting how to take input without asking the user how many number he wants to enter.I have tried to code in which the code stop pro