#include <stdio.h>

int try_to_mod(
int b[])
{
   printf("The address of try's b is %p\n", &b[0]);
   b[0]= 15;
}

int main()
{
   int a[1];

   a[0] = 20;

   printf("The address of main's a is %p\n", &a[0]);
   try_to_mod(&a[0]);

   printf("a[0] = %d \n", a[0]);
   return(0);
}