Abstract data types

#include<iostream>
#include<stdlib.h>
using namespace std;
struct stocked{
	int stcks[5];
	int topq;};
stocked stonks;
int main(){
	int pili,takbo,numstock; bool runner=true;stonks.topq=-1;
		while(runner){
cout << "      #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#" <<"\n";	
cout << "      #- - -  Abstract Data Types  - - -#" <<"\n";
cout << "      # - - -   STACK OPERATION   - - - #" <<"\n";
cout << "      #  - -    [1] PUSH           - -  #" <<"\n";
cout << "      # - - -   [2] POP           - - - #" <<"\n"; 
cout << "      #  - -    [3] DISPLAY        - -  #" <<"\n";
cout << "      #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#" <<"\n";	
cout << "      #Choose [1-3]: ";	
		cin >> pili;
	switch(pili){
	case 1: {
 				if(stonks.topq == (5-1)){
 				cout <<"\n" <<"\n";
cout << "      ! ! ! ! ! -STACK IS FULL- ! ! ! ! !" <<"\n";
} else{  system("cls");
cout << "      - - - - - - - - - - - - - - - - - -" <<"\n";
cout << "      -Element to Push: ";
	cin >> numstock;
cout << "      - - - - - - - - - - - - - - - - - -" <<"\n";
	stonks.topq=stonks.topq +1;
stonks.stcks[stonks.topq]=numstock;
cout <<"\n";
cout << "      - - - - - - - - - - - - - - - - - -" <<"\n";	
cout << "       - - - - - - PUSH ADDED- - - - - -" <<"\n";
cout << "      - - - - - - - - - - - - - - - - - -" <<"\n";	} break;}
case 2: { 
if(stonks.topq == -1){
cout <<"\n" <<"\n";
cout << "      ! ! ! ! ! -STACK IS EMPTY- ! ! ! ! !" <<"\n";		}
else{	system("cls");
numstock = stonks.stcks[stonks.topq];
cout << "      + + + + + + + + + + + + + + + + + + +" <<"\n";		
cout << "      +         POP Element: " << stonks.stcks[stonks.topq] << "            +";
stonks.topq = stonks.topq-1;		}
cout << "\n";
cout << "      + + + + + + + + + + + + + + + + + + +" <<"\n" <<"\n"; break; }
case 3: {system("cls");
if(stonks.topq == -1){
cout << "     / / / / / / / / / / / / / / / / / / /" <<"\n";
cout << "      ! ! ! ! ! -STACK IS EMPTY- ! ! ! ! !" <<"\n";
cout << "     / / / / / / / / / / / / / / / / / / /" <<"\n";}	
else{cout <<"\n"; 
cout << "     - - - - - - - - - - - - - - - - - - - - - -" <<"\n";	
for(numstock=stonks.topq; numstock>=0; numstock--){
cout <<"    "; cout << " ["<< stonks.stcks[numstock] <<"] " << " " ;} }cout <<"\n"; 
cout << "     - - - - - - - - - - - - - - - - - - - - - -" <<"\n";	break;}
default:{cout << "\n";
cout <<"     ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~" <<"\n"; 
cout <<"    | | | | | | |ERROR: ONLY [1-3]| | | | | | | |" <<"\n"; 
cout <<"     ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~" <<"\n" << "\n";break; }}
cout<<"\n" <<"\n";
cout<<  "      -#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-" << "\n";		
cout<<  "      #    Back to MAIN MENU [0 | 1]?   #" <<"\n";
cout<<  "                       "; cin>>takbo;   if(takbo==1){  }else{ runner=false; } system("cls");
}
system(“pause”);