void main()
{
Stack *S = new Stack();
S->Push(30);
S->Push(40);
printf("Top: %d\n", S->Top());
S->Pop();
printf("Top: %d\n", S->Top());
S->Pop();
printf("Top: %d\n", S->Top());
delete S;
}
void main()
{
int a;
a = 10;
Stack S;
for (int i=0; i