#include
#include
#include
#include
#define MAXSIZE 80
using namespace std;
struct stack
{
char date[MAXSIZE];
int top;
int size;
}s;
void initstack(stack *s,int c)
{
s->top=-1;
s->size=c;
}
bool isempty(stack *s)
{
if(s->top==-1)
return true;
else
return false;
}
bool isfull(stack *s)
{
if(s->top==s->size-1)
return true;
else
return false;
}
int push(stack *s,char e)
{
if(isfull(s))
return false;
s->top++;
s->date[s->top]=e;
return true;
}
int main()
{
initstack(&s,10);
char e;
cin>>e;
push(&s,e);
cout<
return 0;
}