#include<iostream>
#define MAX 5
using namespace std;

struct nilai {
    char nama[30];
    float nilai_tugas;
    float nilai_quiz;
    float nilai_ETS;
    float nilai_EAS;
};

struct Stack {
    int top;
    nilai Nilai[MAX];
}Tumpukan;

void init(){
    Tumpukan.top = -1;
}

bool isEmpty(){
    return Tumpukan.top == -1;
}

bool isFull(){
    return Tumpukan.top == MAX-1;
}

void Push(){
    if(isFull()){
        cout<<"\nData Penuh!\n";
    }else{
        Tumpukan.top++;
        cin.sync();
        cout<< "\nMasukkan Nama : ";
        cin.getline(Tumpukan.Nilai[Tumpukan.top].nama,30);
        cout<< "Masukkan Nilai Tugas : ";
        cin>>Tumpukan.Nilai[Tumpukan.top].nilai_tugas;
        cout<< "Masukkan NIlai Quiz  : ";
        cin>>Tumpukan.Nilai[Tumpukan.top].nilai_quiz;
        cout<< "Masukkan Nilai ETS   : ";
        cin>>Tumpukan.Nilai[Tumpukan.top].nilai_ETS;
        cout<< "Masukkan Nilai EAS   : ";
        cin>>Tumpukan.Nilai[Tumpukan.top].nilai_EAS;
        cout<<"\nData masuk ke Stack";
    }
}

void Pop(){
    if(isEmpty()){
        cout<<"\nData Kosong!\n";
    }else{
        cout<<"\nData sudah terambil\n\n";
        Tumpukan.top--;
    }
}

void printStack() {
    if (isEmpty()) {
        cout << "Data sekarang kosong";
    }
    else {
        for (int i = Tumpukan.top; i >= 0; i--){
            cout<< "\n\nNama          : "<<Tumpukan.Nilai[i].nama<<endl;
            cout<< "Nilai Tugas   : "<<Tumpukan.Nilai[i].nilai_tugas<<endl;
            cout<< "Nilai Quiz    : "<<Tumpukan.Nilai[i].nilai_quiz<<endl;
            cout<< "Nilai ETS     : "<<Tumpukan.Nilai[i].nilai_ETS<<endl;
            cout<< "Nilai EAS     : "<<Tumpukan.Nilai[i].nilai_EAS<<endl;
            cout<< "=========================================="<<endl;
    }
}
}

int main() {
    int pilihan, data;
    init();
    do {
    printStack();
        cout << "\n\n1. Input (Push)\n"
        <<"2. Hapus (Pop)\n"
        <<"\nMasukkan Pilihan: ";
        cin >> pilihan;
        switch (pilihan)
        {
        case 1:
            Push();
            break;
        case 2:
            Pop();
            break;
        default:
      cout << "Pilihan tidak tersedia" << endl;
            break;
        }
    } while (pilihan!=3);
}