#include <stdio.h>

int main(void)
{ 
  // int i = 7; // uncommenting this creates an error
  int i = 16;
  {
    int i = 15;
    {
      int i = 8;
      {
        int i = 4;
        {
          int i = 0;
        }
        printf("%d ", i);
      }
      printf("%d ", i);
    }
    printf("%d ", i);
  }
  printf("%d ...", i);
  
  return 0;
}