#include <iostream>
using namespace std;
 
int main() {
    string barang;
    double bobot, nilai, kapasitasMax;
 
    cout << "Barang: ";
    cin >> barang;
    cout << "Bobot: ";
    cin >> bobot;
    cout << "Nilai: ";
    cin >> nilai;
    cout << "Kapasitas max: ";
    cin >> kapasitasMax;
 
    if (barang == "" || bobot <= 0 || nilai <= 0 || kapasitasMax <= 0)
        cout << "Representasi data TIDAK VALID!\n";
    else
        cout << "Data VALID dan tersimpan.\n";
 
    return 0;
}
 

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