#include <iostream>
#include <fstream>
#include <string>
#include <cstdlib>

using namespace std;


void Login();

int main()
{
    Login();
    return 0;
}

void Login()
{
    char login_un[50], login_pw[50], username[50], password[50];
    int c;
    ifstream uin("user.txt");
    ifstream pin("pass.txt");

    cout<<"Main\n\n"
        <<"(1) Login\n"
        <<"(2) Quit\n";
    cin>> c;



    if (c==1)
    {
        uin.getline(username, 50);
        while (strcmp(login_un, username) !=0)
        {
            cout<<"Username: ";
            cin.getline(login_un, 50);
            if (strcmp(login_un, username) ==0) break;
            else
                cout<<"\nInvalid Username.\n";
        }

        pin.getline(password, 50);
        while (strcmp(login_pw, password) !=0)
        {
            cout<<"\nPassword: ";
            cin.getline(login_pw, 50);
            if (strcmp(login_pw, password) ==0) break;
            else
                cout<<"\nInvalid Password\n";
        }

    }

    else if (c==2)
    {
        cout<<"Quitting\n";
        exit(1);
    }
    return;
}