#include <stdio.h>

int array[] = { 23, 34, 12, 17, 204, 99, 16 };
#define TOTAL_ELEMENTS (sizeof(array) / sizeof(array[0]))

int main()
{
    int d= -1, x;
    if (d <= (int)(TOTAL_ELEMENTS-2))
        x = array[d+1];
    printf("%d",x);
return 0;
}