Prob2

#include <iostream>
using namespace std;

int main(){
    string pin, rpin;
    system("clear");
    cout << "Automated Teller Machine \n\n";
    cout << "--------------------------- \n";
    cout << "Enter PIN: ";
    cin >> pin;

    if (pin == "1234") {
        cout << "--------------------------- \n";
        cout << "Processing the transaction! \n";
        cout << "--------------------------- \n\n";

    } else if (pin != "1234") {
        cout << "Re-Enter PIN: ";
        cin >> rpin;

    if (rpin == "1234") {
        cout << "--------------------------- \n";
        cout << "Processing the transaction! \n";
        cout << "--------------------------- \n\n";

    } else {
        cout << "--------------------------- \n";
        cout << "Sorry ... Invalid PIN! \n";
        cout << "--------------------------- \n\n";
    }
    }
    return 0;
}