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

void sans_zero(stack pile){
	int stock;
	while (empty(pile) == 0){
		stock = pop(pile);
		if(stock != 0){
			push(pile, stock)
		}

	}
}
int main(int argc, char const *argv[])
{
	int pile = create_stack()
	int push = push(pile, 1); 
	push = push(pile , 2);
	push = push(pile , 0);
	push = push(pile , 1);
	push = push(pile , 0);
	sans_zero(pile);
	return 0;
}