#include <stdio.h>
#include <stdlib.h>


//stack structure
struct s_stack {
    char key;
    struct s_stack *next;
};


void addElt (struct s_stack *theStack,
    char elt);

int countStack (struct s_stack theStack);


int main()
{
    printf("Bonjour");
    return 0;
}


//add an element to a s_stack
void addElt (struct s_stack *theStack,
    char elt)
{
    struct s_stack *head = theStack;
    struct s_stack *newElt = malloc(sizeof(struct s_stack));
    newElt->key = elt;
    newElt->next = NULL;


    while (theStack->next != NULL)
    theStack = theStack->next;

    theStack->next = newElt;

    theStack = head;
}


//count elements of a s_stack
int countStack (struct s_stack theStack)
{
    int i = 0;

    while (theStack.next != NULL)
    {
    theStack = *theStack.next;
    i++;
    }

    return (i);
}