Joki Edisi 1

#include <iostream>
#include <string>
using namespace std;

int main() {;
    string str_nim;
    cout << "Masukkan NIM : ";
    cin >> str_nim; // Menerima User Input
    
    if (str_nim.length() < 15) {
        cout << "\nPastikan panjang NIM tidak kurang dari 15 Karakter";
        return 0;
    } else {
        cout << "\nNIM Kamu : " << str_nim << "\n\n";
    }

    // Rupiah A
    string A = str_nim.substr(str_nim.length() - 4, 4); // Ambil 4 Karakter Terakhir
    int rupiah_A = atoi(A.c_str()) * 9;
    cout << "Rupiah A = " << rupiah_A << "\n";
    
    // Rupiah B
    string B = str_nim.substr(0, 5); // ambil 5 karakter pertama
    int rupiah_B = atoi(B.c_str()) - 12345;
    cout << "Rupiah B = " << rupiah_B << "\n";
    
    // Rupiah C
    long int C = stol(str_nim.c_str());
    int rupiah_C =  C / 23456789;
    cout << "Rupiah C = " << rupiah_C;
    
    return 0;
}