text: //
  //  main.c
  //  Exercise 1
  //
  //  Created by Zhehao Li on 2020/2/12.
  //  Copyright © 2020 Zhehao Li. All rights reserved.
  //
  
  #include "stdio.h"
  
  int main(int argc, const char * argv[]) {
      
      printf("My first C-program \n");
      printf("is a fact! \n");
      printf("Good, isn't it? \n");
      
      return 0;
  }
  