#include <stdio.h>

// one comment
// another comment
int n;
// one comment // in a comment
int x;

/*
another comment spanned over
multiple lines
another line in comment
 */

int v;
/* another second type comment on a single line */

int main(void) // comment for a function
{

  int var; /*comment for a variable*/
  /*
    comment
    // comment in comment
    comment
   */
  a = a + 10;
  a = a * 10;
  a = a / 10;


  return 0;
}