training task from https://hyperskill.org/projects/109
1. Create an account
2. Log into account
0. Exit
>1
Your card has been created
Your card number:
4000009455296122
Your card PIN:
1961
1. Create an account
2. Log into account
0. Exit
>1
Your card has been created
Your card number:
4000003305160034
Your card PIN:
5639
1. Create an account
2. Log into account
0. Exit
>2
Enter your card number:
>4000009455296122
Enter your PIN:
>1961
You have successfully logged in!
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>2
Enter income:
>10000
Income was added!
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>1
Balance: 10000
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>3
Transfer
Enter card number:
>4000003305160035
Probably you made a mistake in the card number. Please try again!
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>3
Transfer
Enter card number:
>4000003305061034
Such a card does not exist.
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>3
Transfer
Enter card number:
>4000003305160034
Enter how much money you want to transfer:
>15000
Not enough money!
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>3
Transfer
Enter card number:
>4000003305160034
Enter how much money you want to transfer:
>5000
Success!
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>1
Balance: 5000
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>0
Bye!
1. Create an account
2. Log into account
0. Exit
>1
Your card has been created
Your card number:
4000007916053702
Your card PIN:
6263
1. Create an account
2. Log into account
0. Exit
>2
Enter your card number:
>4000007916053702
Enter your PIN:
>6263
You have successfully logged in!
1. Balance
2. Add income
3. Do transfer
4. Close account
5. Log out
0. Exit
>4
The account has been closed!
1. Create an account
2. Log into account
0. Exit
>2
Enter your card number:
>4000007916053702
Enter your PIN:
>6263
Wrong card number or PIN!
1. Create an account
2. Log into account
0. Exit
>0
Bye!